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Commit fe00f943 authored by Ralf Baechle's avatar Ralf Baechle
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Sparseify MIPS. 

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 14f18b7f
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Showing with 607 additions and 585 deletions
arch/mips/Makefile
View file @ fe00f943
......@@ -52,6 +52,21 @@ ifdef CONFIG_CROSSCOMPILE
CROSS_COMPILE := $(tool-prefix)
endif
CHECKFLAGS-y += -D__linux__ -D__mips__ \
-D_ABIO32=1 \
-D_ABIN32=2 \
-D_ABI64=3
CHECKFLAGS-$(CONFIG_32BIT) += -D_MIPS_SIM=_ABIO32 \
-D_MIPS_SZLONG=32 \
-D__PTRDIFF_TYPE__=int
CHECKFLAGS-$(CONFIG_64BIT) += -m64 -D_MIPS_SIM=_ABI64 \
-D_MIPS_SZLONG=64 \
-D__PTRDIFF_TYPE__="long int"
CHECKFLAGS-$(CONFIG_CPU_BIG_ENDIAN) += -D__MIPSEB__
CHECKFLAGS-$(CONFIG_CPU_LITTLE_ENDIAN) += -D__MIPSEL__
CHECKFLAGS = $(CHECKFLAGS-y)
ifdef CONFIG_BUILD_ELF64
gas-abi = 64
ld-emul = $(64bit-emul)
......
arch/mips/kernel/i8259.c
View file @ fe00f943
......@@ -321,7 +321,7 @@ void __init init_i8259_irqs (void)
for (i = 0; i < 16; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;
irq_desc[i].action = NULL;
irq_desc[i].depth = 1;
irq_desc[i].handler = &i8259A_irq_type;
}
......
arch/mips/kernel/irixelf.c
View file @ fe00f943
......@@ -147,7 +147,7 @@ static void padzero(unsigned long elf_bss)
nbyte = elf_bss & (PAGE_SIZE-1);
if (nbyte) {
nbyte = PAGE_SIZE - nbyte;
clear_user((void *) elf_bss, nbyte);
clear_user((void __user *) elf_bss, nbyte);
}
}
......@@ -878,10 +878,10 @@ static int load_irix_library(struct file *file)
* phdrs there are in the USER_PHDRP array. We return the vaddr the
* first phdr was successfully mapped to.
*/
unsigned long irix_mapelf(int fd, struct elf_phdr *user_phdrp, int cnt)
unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt)
{
unsigned long type, vaddr, filesz, offset, flags;
struct elf_phdr *hp;
struct elf_phdr __user *hp;
struct file *filp;
int i, retval;
......@@ -968,9 +968,9 @@ unsigned long irix_mapelf(int fd, struct elf_phdr *user_phdrp, int cnt)
/* These are the only things you should do on a core-file: use only these
* functions to write out all the necessary info.
*/
static int dump_write(struct file *file, const void *addr, int nr)
static int dump_write(struct file *file, const void __user *addr, int nr)
{
return file->f_op->write(file, (const char *) addr, nr, &file->f_pos) == nr;
return file->f_op->write(file, (const char __user *) addr, nr, &file->f_pos) == nr;
}
static int dump_seek(struct file *file, off_t off)
......@@ -1204,7 +1204,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file)
len = current->mm->arg_end - current->mm->arg_start;
len = len >= ELF_PRARGSZ ? ELF_PRARGSZ : len;
(void *) copy_from_user(&psinfo.pr_psargs,
(const char *)current->mm->arg_start, len);
(const char __user *)current->mm->arg_start, len);
for (i = 0; i < len; i++)
if (psinfo.pr_psargs[i] == 0)
psinfo.pr_psargs[i] = ' ';
......@@ -1301,7 +1301,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file)
#ifdef DEBUG
printk("elf_core_dump: writing %08lx %lx\n", addr, len);
#endif
DUMP_WRITE((void *)addr, len);
DUMP_WRITE((void __user *)addr, len);
}
if ((off_t) file->f_pos != offset) {
......
arch/mips/kernel/irixinv.c
View file @ fe00f943
......@@ -30,10 +30,10 @@ void add_to_inventory (int class, int type, int controller, int unit, int state)
inventory_items++;
}
int dump_inventory_to_user (void *userbuf, int size)
int dump_inventory_to_user (void __user *userbuf, int size)
{
inventory_t *inv = &inventory [0];
inventory_t *user = userbuf;
inventory_t __user *user = userbuf;
int v;
if (!access_ok(VERIFY_WRITE, userbuf, size))
......@@ -41,7 +41,8 @@ int dump_inventory_to_user (void *userbuf, int size)
for (v = 0; v < inventory_items; v++){
inv = &inventory [v];
copy_to_user (user, inv, sizeof (inventory_t));
if (copy_to_user (user, inv, sizeof (inventory_t)))
return -EFAULT;
user++;
}
return inventory_items * sizeof (inventory_t);
......
arch/mips/kernel/irixsig.c
View file @ fe00f943
......@@ -76,36 +76,39 @@ static inline void dump_irix5_sigctx(struct sigctx_irix5 *c)
}
#endif
static void setup_irix_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signr, sigset_t *oldmask)
static int setup_irix_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signr, sigset_t *oldmask)
{
struct sigctx_irix5 __user *ctx;
unsigned long sp;
struct sigctx_irix5 *ctx;
int i;
int error, i;
sp = regs->regs[29];
sp -= sizeof(struct sigctx_irix5);
sp &= ~(0xf);
ctx = (struct sigctx_irix5 *) sp;
ctx = (struct sigctx_irix5 __user *) sp;
if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
goto segv_and_exit;
__put_user(0, &ctx->weird_fpu_thing);
__put_user(~(0x00000001), &ctx->rmask);
__put_user(0, &ctx->regs[0]);
error = __put_user(0, &ctx->weird_fpu_thing);
error |= __put_user(~(0x00000001), &ctx->rmask);
error |= __put_user(0, &ctx->regs[0]);
for(i = 1; i < 32; i++)
__put_user((u64) regs->regs[i], &ctx->regs[i]);
error |= __put_user((u64) regs->regs[i], &ctx->regs[i]);
error |= __put_user((u64) regs->hi, &ctx->hi);
error |= __put_user((u64) regs->lo, &ctx->lo);
error |= __put_user((u64) regs->cp0_epc, &ctx->pc);
error |= __put_user(!!used_math(), &ctx->usedfp);
error |= __put_user((u64) regs->cp0_cause, &ctx->cp0_cause);
error |= __put_user((u64) regs->cp0_badvaddr, &ctx->cp0_badvaddr);
__put_user((u64) regs->hi, &ctx->hi);
__put_user((u64) regs->lo, &ctx->lo);
__put_user((u64) regs->cp0_epc, &ctx->pc);
__put_user(!!used_math(), &ctx->usedfp);
__put_user((u64) regs->cp0_cause, &ctx->cp0_cause);
__put_user((u64) regs->cp0_badvaddr, &ctx->cp0_badvaddr);
error |= __put_user(0, &ctx->sstk_flags); /* XXX sigstack unimp... todo... */
__put_user(0, &ctx->sstk_flags); /* XXX sigstack unimp... todo... */
error |= __copy_to_user(&ctx->sigset, oldmask, sizeof(irix_sigset_t)) ? -EFAULT : 0;
__copy_to_user(&ctx->sigset, oldmask, sizeof(irix_sigset_t));
if (error)
goto segv_and_exit;
#ifdef DEBUG_SIG
dump_irix5_sigctx(ctx);
......@@ -117,13 +120,14 @@ static void setup_irix_frame(struct k_sigaction *ka, struct pt_regs *regs,
regs->regs[7] = (unsigned long) ka->sa.sa_handler;
regs->regs[25] = regs->cp0_epc = (unsigned long) ka->sa_restorer;
return;
return 1;
segv_and_exit:
force_sigsegv(signr, current);
return 0;
}
static void inline
static int inline
setup_irix_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *oldmask, siginfo_t *info)
{
......@@ -131,9 +135,11 @@ setup_irix_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
do_exit(SIGSEGV);
}
static inline void handle_signal(unsigned long sig, siginfo_t *info,
static inline int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs)
{
int ret;
switch(regs->regs[0]) {
case ERESTARTNOHAND:
regs->regs[2] = EINTR;
......@@ -151,9 +157,9 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[0] = 0; /* Don't deal with this again. */
if (ka->sa.sa_flags & SA_SIGINFO)
setup_irix_rt_frame(ka, regs, sig, oldset, info);
ret = setup_irix_rt_frame(ka, regs, sig, oldset, info);
else
setup_irix_frame(ka, regs, sig, oldset);
ret = setup_irix_frame(ka, regs, sig, oldset);
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
......@@ -161,6 +167,8 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
sigaddset(&current->blocked,sig);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
return ret;
}
asmlinkage int do_irix_signal(sigset_t *oldset, struct pt_regs *regs)
......@@ -184,10 +192,8 @@ asmlinkage int do_irix_signal(sigset_t *oldset, struct pt_regs *regs)
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) {
handle_signal(signr, &info, &ka, oldset, regs);
return 1;
}
if (signr > 0)
return handle_signal(signr, &info, &ka, oldset, regs);
no_signal:
/*
......@@ -208,10 +214,11 @@ no_signal:
asmlinkage void
irix_sigreturn(struct pt_regs *regs)
{
struct sigctx_irix5 *context, *magic;
struct sigctx_irix5 __user *context, *magic;
unsigned long umask, mask;
u64 *fregs;
int sig, i, base = 0;
u32 usedfp;
int error, sig, i, base = 0;
sigset_t blocked;
/* Always make any pending restarted system calls return -EINTR */
......@@ -220,8 +227,8 @@ irix_sigreturn(struct pt_regs *regs)
if (regs->regs[2] == 1000)
base = 1;
context = (struct sigctx_irix5 *) regs->regs[base + 4];
magic = (struct sigctx_irix5 *) regs->regs[base + 5];
context = (struct sigctx_irix5 __user *) regs->regs[base + 4];
magic = (struct sigctx_irix5 __user *) regs->regs[base + 5];
sig = (int) regs->regs[base + 6];
#ifdef DEBUG_SIG
printk("[%s:%d] IRIX sigreturn(scp[%p],ucp[%p],sig[%d])\n",
......@@ -236,25 +243,31 @@ irix_sigreturn(struct pt_regs *regs)
dump_irix5_sigctx(context);
#endif
__get_user(regs->cp0_epc, &context->pc);
umask = context->rmask; mask = 2;
error = __get_user(regs->cp0_epc, &context->pc);
error |= __get_user(umask, &context->rmask);
mask = 2;
for (i = 1; i < 32; i++, mask <<= 1) {
if(umask & mask)
__get_user(regs->regs[i], &context->regs[i]);
if (umask & mask)
error |= __get_user(regs->regs[i], &context->regs[i]);
}
__get_user(regs->hi, &context->hi);
__get_user(regs->lo, &context->lo);
error |= __get_user(regs->hi, &context->hi);
error |= __get_user(regs->lo, &context->lo);
if ((umask & 1) && context->usedfp) {
error |= __get_user(usedfp, &context->usedfp);
if ((umask & 1) && usedfp) {
fregs = (u64 *) &current->thread.fpu;
for(i = 0; i < 32; i++)
fregs[i] = (u64) context->fpregs[i];
__get_user(current->thread.fpu.hard.fcr31, &context->fpcsr);
error |= __get_user(fregs[i], &context->fpregs[i]);
error |= __get_user(current->thread.fpu.hard.fcr31, &context->fpcsr);
}
/* XXX do sigstack crapola here... XXX */
if (__copy_from_user(&blocked, &context->sigset, sizeof(blocked)))
error |= __copy_from_user(&blocked, &context->sigset, sizeof(blocked)) ? -EFAULT : 0;
if (error)
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
......@@ -296,8 +309,8 @@ static inline void dump_sigact_irix5(struct sigact_irix5 *p)
#endif
asmlinkage int
irix_sigaction(int sig, const struct sigaction *act,
struct sigaction *oact, void *trampoline)
irix_sigaction(int sig, const struct sigaction __user *act,
struct sigaction __user *oact, void __user *trampoline)
{
struct k_sigaction new_ka, old_ka;
int ret;
......@@ -311,12 +324,16 @@ irix_sigaction(int sig, const struct sigaction *act,
#endif
if (act) {
sigset_t mask;
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags))
int err;
if (!access_ok(VERIFY_READ, act, sizeof(*act)))
return -EFAULT;
err = __get_user(new_ka.sa.sa_handler, &act->sa_handler);
err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
__copy_from_user(&mask, &act->sa_mask, sizeof(sigset_t));
err |= __copy_from_user(&mask, &act->sa_mask, sizeof(sigset_t)) ? -EFAULT : 0;
if (err)
return err;
/*
* Hmmm... methinks IRIX libc always passes a valid trampoline
......@@ -330,30 +347,37 @@ irix_sigaction(int sig, const struct sigaction *act,
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags))
int err;
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
return -EFAULT;
err = __put_user(old_ka.sa.sa_handler, &oact->sa_handler);
err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
err |= __copy_to_user(&oact->sa_mask, &old_ka.sa.sa_mask,
sizeof(sigset_t)) ? -EFAULT : 0;
if (err)
return -EFAULT;
__copy_to_user(&old_ka.sa.sa_mask, &oact->sa_mask,
sizeof(sigset_t));
}
return ret;
}
asmlinkage int irix_sigpending(irix_sigset_t *set)
asmlinkage int irix_sigpending(irix_sigset_t __user *set)
{
return do_sigpending(set, sizeof(*set));
}
asmlinkage int irix_sigprocmask(int how, irix_sigset_t *new, irix_sigset_t *old)
asmlinkage int irix_sigprocmask(int how, irix_sigset_t __user *new,
irix_sigset_t __user *old)
{
sigset_t oldbits, newbits;
if (new) {
if (!access_ok(VERIFY_READ, new, sizeof(*new)))
return -EFAULT;
__copy_from_user(&newbits, new, sizeof(unsigned long)*4);
if (__copy_from_user(&newbits, new, sizeof(unsigned long)*4))
return -EFAULT;
sigdelsetmask(&newbits, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
......@@ -381,20 +405,19 @@ asmlinkage int irix_sigprocmask(int how, irix_sigset_t *new, irix_sigset_t *old)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
}
if(old) {
if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
return -EFAULT;
__copy_to_user(old, &current->blocked, sizeof(unsigned long)*4);
}
if (old)
return copy_to_user(old, &current->blocked,
sizeof(unsigned long)*4) ? -EFAULT : 0;
return 0;
}
asmlinkage int irix_sigsuspend(struct pt_regs *regs)
{
sigset_t *uset, saveset, newset;
sigset_t saveset, newset;
sigset_t __user *uset;
uset = (sigset_t *) regs->regs[4];
uset = (sigset_t __user *) regs->regs[4];
if (copy_from_user(&newset, uset, sizeof(sigset_t)))
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
......@@ -440,12 +463,13 @@ struct irix5_siginfo {
} stuff;
};
asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
struct timespec *tp)
asmlinkage int irix_sigpoll_sys(unsigned long __user *set,
struct irix5_siginfo __user *info, struct timespec __user *tp)
{
long expire = MAX_SCHEDULE_TIMEOUT;
sigset_t kset;
int i, sig, error, timeo = 0;
struct timespec ktp;
#ifdef DEBUG_SIG
printk("[%s:%d] irix_sigpoll_sys(%p,%p,%p)\n",
......@@ -456,14 +480,8 @@ asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
if (!set)
return -EINVAL;
if (!access_ok(VERIFY_READ, set, sizeof(kset))) {
error = -EFAULT;
goto out;
}
__copy_from_user(&kset, set, sizeof(set));
if (error)
goto out;
if (copy_from_user(&kset, set, sizeof(set)))
return -EFAULT;
if (info && clear_user(info, sizeof(*info))) {
error = -EFAULT;
......@@ -471,19 +489,21 @@ asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
}
if (tp) {
if (!access_ok(VERIFY_READ, tp, sizeof(*tp)))
if (copy_from_user(&ktp, tp, sizeof(*tp)))
return -EFAULT;
if (!tp->tv_sec && !tp->tv_nsec) {
error = -EINVAL;
goto out;
}
expire = timespec_to_jiffies(tp) + (tp->tv_sec||tp->tv_nsec);
if (!ktp.tv_sec && !ktp.tv_nsec)
return -EINVAL;
expire = timespec_to_jiffies(&ktp) +
(ktp.tv_sec || ktp.tv_nsec);
}
while(1) {
long tmp = 0;
expire = schedule_timeout_interruptible(expire);
current->state = TASK_INTERRUPTIBLE;
expire = schedule_timeout(expire);
for (i=0; i<=4; i++)
tmp |= (current->pending.signal.sig[i] & kset.sig[i]);
......@@ -500,15 +520,14 @@ asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
if (timeo)
return -EAGAIN;
for(sig = 1; i <= 65 /* IRIX_NSIG */; sig++) {
for (sig = 1; i <= 65 /* IRIX_NSIG */; sig++) {
if (sigismember (&kset, sig))
continue;
if (sigismember (&current->pending.signal, sig)) {
/* XXX need more than this... */
if (info)
info->sig = sig;
error = 0;
goto out;
return copy_to_user(&info->sig, &sig, sizeof(sig));
return 0;
}
}
......@@ -534,8 +553,9 @@ extern int getrusage(struct task_struct *, int, struct rusage __user *);
#define W_MASK (W_EXITED | W_TRAPPED | W_STOPPED | W_CONT | W_NOHANG)
asmlinkage int irix_waitsys(int type, int pid, struct irix5_siginfo *info,
int options, struct rusage *ru)
asmlinkage int irix_waitsys(int type, int pid,
struct irix5_siginfo __user *info, int options,
struct rusage __user *ru)
{
int flag, retval;
DECLARE_WAITQUEUE(wait, current);
......@@ -543,28 +563,22 @@ asmlinkage int irix_waitsys(int type, int pid, struct irix5_siginfo *info,
struct task_struct *p;
struct list_head *_p;
if (!info) {
retval = -EINVAL;
goto out;
}
if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) {
retval = -EFAULT;
goto out;
}
if (ru) {
if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru))) {
retval = -EFAULT;
goto out;
}
}
if (options & ~(W_MASK)) {
retval = -EINVAL;
goto out;
}
if (type != IRIX_P_PID && type != IRIX_P_PGID && type != IRIX_P_ALL) {
retval = -EINVAL;
goto out;
}
if (!info)
return -EINVAL;
if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
return -EFAULT;
if (ru)
if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)))
return -EFAULT;
if (options & ~W_MASK)
return -EINVAL;
if (type != IRIX_P_PID && type != IRIX_P_PGID && type != IRIX_P_ALL)
return -EINVAL;
add_wait_queue(&current->signal->wait_chldexit, &wait);
repeat:
flag = 0;
......@@ -595,18 +609,20 @@ repeat:
add_parent(p, p->parent);
write_unlock_irq(&tasklist_lock);
retval = ru ? getrusage(p, RUSAGE_BOTH, ru) : 0;
if (!retval && ru) {
retval |= __put_user(SIGCHLD, &info->sig);
retval |= __put_user(0, &info->code);
retval |= __put_user(p->pid, &info->stuff.procinfo.pid);
retval |= __put_user((p->exit_code >> 8) & 0xff,
&info->stuff.procinfo.procdata.child.status);
retval |= __put_user(p->utime, &info->stuff.procinfo.procdata.child.utime);
retval |= __put_user(p->stime, &info->stuff.procinfo.procdata.child.stime);
}
if (!retval) {
p->exit_code = 0;
}
if (retval)
goto end_waitsys;
retval = __put_user(SIGCHLD, &info->sig);
retval |= __put_user(0, &info->code);
retval |= __put_user(p->pid, &info->stuff.procinfo.pid);
retval |= __put_user((p->exit_code >> 8) & 0xff,
&info->stuff.procinfo.procdata.child.status);
retval |= __put_user(p->utime, &info->stuff.procinfo.procdata.child.utime);
retval |= __put_user(p->stime, &info->stuff.procinfo.procdata.child.stime);
if (retval)
goto end_waitsys;
p->exit_code = 0;
goto end_waitsys;
case EXIT_ZOMBIE:
......@@ -614,16 +630,18 @@ repeat:
current->signal->cstime += p->stime + p->signal->cstime;
if (ru != NULL)
getrusage(p, RUSAGE_BOTH, ru);
__put_user(SIGCHLD, &info->sig);
__put_user(1, &info->code); /* CLD_EXITED */
__put_user(p->pid, &info->stuff.procinfo.pid);
__put_user((p->exit_code >> 8) & 0xff,
retval = __put_user(SIGCHLD, &info->sig);
retval |= __put_user(1, &info->code); /* CLD_EXITED */
retval |= __put_user(p->pid, &info->stuff.procinfo.pid);
retval |= __put_user((p->exit_code >> 8) & 0xff,
&info->stuff.procinfo.procdata.child.status);
__put_user(p->utime,
retval |= __put_user(p->utime,
&info->stuff.procinfo.procdata.child.utime);
__put_user(p->stime,
retval |= __put_user(p->stime,
&info->stuff.procinfo.procdata.child.stime);
retval = 0;
if (retval)
return retval;
if (p->real_parent != p->parent) {
write_lock_irq(&tasklist_lock);
remove_parent(p);
......@@ -656,7 +674,6 @@ end_waitsys:
current->state = TASK_RUNNING;
remove_wait_queue(&current->signal->wait_chldexit, &wait);
out:
return retval;
}
......@@ -675,39 +692,39 @@ struct irix5_context {
asmlinkage int irix_getcontext(struct pt_regs *regs)
{
int i, base = 0;
struct irix5_context *ctx;
int error, i, base = 0;
struct irix5_context __user *ctx;
unsigned long flags;
if (regs->regs[2] == 1000)
base = 1;
ctx = (struct irix5_context *) regs->regs[base + 4];
ctx = (struct irix5_context __user *) regs->regs[base + 4];
#ifdef DEBUG_SIG
printk("[%s:%d] irix_getcontext(%p)\n",
current->comm, current->pid, ctx);
#endif
if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)));
return -EFAULT;
__put_user(current->thread.irix_oldctx, &ctx->link);
error = __put_user(current->thread.irix_oldctx, &ctx->link);
__copy_to_user(&ctx->sigmask, &current->blocked, sizeof(irix_sigset_t));
error |= __copy_to_user(&ctx->sigmask, &current->blocked, sizeof(irix_sigset_t)) ? -EFAULT : 0;
/* XXX Do sigstack stuff someday... */
__put_user(0, &ctx->stack.sp);
__put_user(0, &ctx->stack.size);
__put_user(0, &ctx->stack.flags);
error |= __put_user(0, &ctx->stack.sp);
error |= __put_user(0, &ctx->stack.size);
error |= __put_user(0, &ctx->stack.flags);
__put_user(0, &ctx->weird_graphics_thing);
__put_user(0, &ctx->regs[0]);
error |= __put_user(0, &ctx->weird_graphics_thing);
error |= __put_user(0, &ctx->regs[0]);
for (i = 1; i < 32; i++)
__put_user(regs->regs[i], &ctx->regs[i]);
__put_user(regs->lo, &ctx->regs[32]);
__put_user(regs->hi, &ctx->regs[33]);
__put_user(regs->cp0_cause, &ctx->regs[34]);
__put_user(regs->cp0_epc, &ctx->regs[35]);
error |= __put_user(regs->regs[i], &ctx->regs[i]);
error |= __put_user(regs->lo, &ctx->regs[32]);
error |= __put_user(regs->hi, &ctx->regs[33]);
error |= __put_user(regs->cp0_cause, &ctx->regs[34]);
error |= __put_user(regs->cp0_epc, &ctx->regs[35]);
flags = 0x0f;
if (!used_math()) {
......@@ -716,119 +733,124 @@ asmlinkage int irix_getcontext(struct pt_regs *regs)
/* XXX wheee... */
printk("Wheee, no code for saving IRIX FPU context yet.\n");
}
__put_user(flags, &ctx->flags);
error |= __put_user(flags, &ctx->flags);
return 0;
return error;
}
asmlinkage unsigned long irix_setcontext(struct pt_regs *regs)
asmlinkage void irix_setcontext(struct pt_regs *regs)
{
int error, base = 0;
struct irix5_context *ctx;
struct irix5_context __user *ctx;
int err, base = 0;
u32 flags;
if(regs->regs[2] == 1000)
if (regs->regs[2] == 1000)
base = 1;
ctx = (struct irix5_context *) regs->regs[base + 4];
ctx = (struct irix5_context __user *) regs->regs[base + 4];
#ifdef DEBUG_SIG
printk("[%s:%d] irix_setcontext(%p)\n",
current->comm, current->pid, ctx);
#endif
if (!access_ok(VERIFY_READ, ctx, sizeof(*ctx))) {
error = -EFAULT;
goto out;
}
if (!access_ok(VERIFY_READ, ctx, sizeof(*ctx)))
goto segv_and_exit;
if (ctx->flags & 0x02) {
err = __get_user(flags, &ctx->flags);
if (flags & 0x02) {
/* XXX sigstack garbage, todo... */
printk("Wheee, cannot do sigstack stuff in setcontext\n");
}
if (ctx->flags & 0x04) {
if (flags & 0x04) {
int i;
/* XXX extra control block stuff... todo... */
for(i = 1; i < 32; i++)
regs->regs[i] = ctx->regs[i];
regs->lo = ctx->regs[32];
regs->hi = ctx->regs[33];
regs->cp0_epc = ctx->regs[35];
for (i = 1; i < 32; i++)
err |= __get_user(regs->regs[i], &ctx->regs[i]);
err |= __get_user(regs->lo, &ctx->regs[32]);
err |= __get_user(regs->hi, &ctx->regs[33]);
err |= __get_user(regs->cp0_epc, &ctx->regs[35]);
}
if (ctx->flags & 0x08) {
if (flags & 0x08)
/* XXX fpu context, blah... */
printk("Wheee, cannot restore FPU context yet...\n");
}
current->thread.irix_oldctx = ctx->link;
error = regs->regs[2];
printk(KERN_ERR "Wheee, cannot restore FPU context yet...\n");
out:
return error;
err |= __get_user(current->thread.irix_oldctx, &ctx->link);
if (err)
goto segv_and_exit;
/*
* Don't let your children do this ...
*/
if (current_thread_info()->flags & TIF_SYSCALL_TRACE)
do_syscall_trace(regs, 1);
__asm__ __volatile__(
"move\t$29,%0\n\t"
"j\tsyscall_exit"
:/* no outputs */
:"r" (&regs));
/* Unreached */
segv_and_exit:
force_sigsegv(SIGSEGV, current);
}
struct irix_sigstack { unsigned long sp; int status; };
struct irix_sigstack {
unsigned long sp;
int status;
};
asmlinkage int irix_sigstack(struct irix_sigstack *new, struct irix_sigstack *old)
asmlinkage int irix_sigstack(struct irix_sigstack __user *new,
struct irix_sigstack __user *old)
{
int error = -EFAULT;
#ifdef DEBUG_SIG
printk("[%s:%d] irix_sigstack(%p,%p)\n",
current->comm, current->pid, new, old);
#endif
if(new) {
if (new) {
if (!access_ok(VERIFY_READ, new, sizeof(*new)))
goto out;
return -EFAULT;
}
if(old) {
if (old) {
if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
goto out;
return -EFAULT;
}
error = 0;
out:
return error;
return 0;
}
struct irix_sigaltstack { unsigned long sp; int size; int status; };
asmlinkage int irix_sigaltstack(struct irix_sigaltstack *new,
struct irix_sigaltstack *old)
asmlinkage int irix_sigaltstack(struct irix_sigaltstack __user *new,
struct irix_sigaltstack __user *old)
{
int error = -EFAULT;
#ifdef DEBUG_SIG
printk("[%s:%d] irix_sigaltstack(%p,%p)\n",
current->comm, current->pid, new, old);
#endif
if (new) {
if (new)
if (!access_ok(VERIFY_READ, new, sizeof(*new)))
goto out;
}
return -EFAULT;
if (old) {
if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
goto out;
return -EFAULT;
}
error = 0;
out:
error = 0;
return error;
return 0;
}
struct irix_procset {
int cmd, ltype, lid, rtype, rid;
};
asmlinkage int irix_sigsendset(struct irix_procset *pset, int sig)
asmlinkage int irix_sigsendset(struct irix_procset __user *pset, int sig)
{
if (!access_ok(VERIFY_READ, pset, sizeof(*pset)))
return -EFAULT;
#ifdef DEBUG_SIG
printk("[%s:%d] irix_sigsendset([%d,%d,%d,%d,%d],%d)\n",
current->comm, current->pid,
......
arch/mips/kernel/process.c
View file @ fe00f943
......@@ -38,14 +38,6 @@
#include <asm/isadep.h>
#include <asm/inst.h>
/*
* We use this if we don't have any better idle routine..
* (This to kill: kernel/platform.c.
*/
void default_idle (void)
{
}
/*
* The idle thread. There's no useful work to be done, so just try to conserve
* power and have a low exit latency (ie sit in a loop waiting for somebody to
......
arch/mips/kernel/ptrace.c
View file @ fe00f943
......@@ -103,7 +103,7 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
ret = -EIO;
if (copied != sizeof(tmp))
break;
ret = put_user(tmp,(unsigned long *) data);
ret = put_user(tmp,(unsigned long __user *) data);
break;
}
......@@ -180,7 +180,7 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
ret = -EIO;
goto out_tsk;
}
ret = put_user(tmp, (unsigned long *) data);
ret = put_user(tmp, (unsigned long __user *) data);
break;
}
......
arch/mips/kernel/signal.c
View file @ fe00f943
......@@ -47,9 +47,10 @@ save_static_function(sys_sigsuspend);
__attribute_used__ noinline static int
_sys_sigsuspend(nabi_no_regargs struct pt_regs regs)
{
sigset_t *uset, saveset, newset;
sigset_t saveset, newset;
sigset_t __user *uset;
uset = (sigset_t *) regs.regs[4];
uset = (sigset_t __user *) regs.regs[4];
if (copy_from_user(&newset, uset, sizeof(sigset_t)))
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
......@@ -75,7 +76,8 @@ save_static_function(sys_rt_sigsuspend);
__attribute_used__ noinline static int
_sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
{
sigset_t *unewset, saveset, newset;
sigset_t saveset, newset;
sigset_t __user *unewset;
size_t sigsetsize;
/* XXX Don't preclude handling different sized sigset_t's. */
......@@ -83,7 +85,7 @@ _sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
if (sigsetsize != sizeof(sigset_t))
return -EINVAL;
unewset = (sigset_t *) regs.regs[4];
unewset = (sigset_t __user *) regs.regs[4];
if (copy_from_user(&newset, unewset, sizeof(newset)))
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
......@@ -147,8 +149,8 @@ asmlinkage int sys_sigaction(int sig, const struct sigaction *act,
asmlinkage int sys_sigaltstack(nabi_no_regargs struct pt_regs regs)
{
const stack_t *uss = (const stack_t *) regs.regs[4];
stack_t *uoss = (stack_t *) regs.regs[5];
const stack_t __user *uss = (const stack_t __user *) regs.regs[4];
stack_t __user *uoss = (stack_t __user *) regs.regs[5];
unsigned long usp = regs.regs[29];
return do_sigaltstack(uss, uoss, usp);
......
arch/mips/kernel/sysirix.c
View file @ fe00f943
......@@ -233,7 +233,7 @@ asmlinkage int irix_prctl(unsigned option, ...)
#undef DEBUG_PROCGRPS
extern unsigned long irix_mapelf(int fd, struct elf_phdr *user_phdrp, int cnt);
extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
extern char *prom_getenv(char *name);
extern long prom_setenv(char *name, char *value);
......@@ -270,23 +270,19 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
cmd = regs->regs[base + 4];
switch(cmd) {
case SGI_SYSID: {
char *buf = (char *) regs->regs[base + 5];
char __user *buf = (char __user *) regs->regs[base + 5];
/* XXX Use ethernet addr.... */
retval = clear_user(buf, 64);
retval = clear_user(buf, 64) ? -EFAULT : 0;
break;
}
#if 0
case SGI_RDNAME: {
int pid = (int) regs->regs[base + 5];
char *buf = (char *) regs->regs[base + 6];
char __user *buf = (char __user *) regs->regs[base + 6];
struct task_struct *p;
char tcomm[sizeof(current->comm)];
if (!access_ok(VERIFY_WRITE, buf, sizeof(tcomm))) {
retval = -EFAULT;
break;
}
read_lock(&tasklist_lock);
p = find_task_by_pid(pid);
if (!p) {
......@@ -298,34 +294,28 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
read_unlock(&tasklist_lock);
/* XXX Need to check sizes. */
copy_to_user(buf, tcomm, sizeof(tcomm));
retval = 0;
retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
break;
}
case SGI_GETNVRAM: {
char *name = (char *) regs->regs[base+5];
char *buf = (char *) regs->regs[base+6];
char __user *name = (char __user *) regs->regs[base+5];
char __user *buf = (char __user *) regs->regs[base+6];
char *value;
return -EINVAL; /* til I fix it */
if (!access_ok(VERIFY_WRITE, buf, 128)) {
retval = -EFAULT;
break;
}
value = prom_getenv(name); /* PROM lock? */
if (!value) {
retval = -EINVAL;
break;
}
/* Do I strlen() for the length? */
copy_to_user(buf, value, 128);
retval = 0;
retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
break;
}
case SGI_SETNVRAM: {
char *name = (char *) regs->regs[base+5];
char *value = (char *) regs->regs[base+6];
char __user *name = (char __user *) regs->regs[base+5];
char __user *value = (char __user *) regs->regs[base+6];
return -EINVAL; /* til I fix it */
retval = prom_setenv(name, value);
/* XXX make sure retval conforms to syssgi(2) */
......@@ -401,16 +391,16 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
case SGI_SETGROUPS:
retval = sys_setgroups((int) regs->regs[base + 5],
(gid_t *) regs->regs[base + 6]);
(gid_t __user *) regs->regs[base + 6]);
break;
case SGI_GETGROUPS:
retval = sys_getgroups((int) regs->regs[base + 5],
(gid_t *) regs->regs[base + 6]);
(gid_t __user *) regs->regs[base + 6]);
break;
case SGI_RUSAGE: {
struct rusage *ru = (struct rusage *) regs->regs[base + 6];
struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
switch((int) regs->regs[base + 5]) {
case 0:
......@@ -447,7 +437,7 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
case SGI_ELFMAP:
retval = irix_mapelf((int) regs->regs[base + 5],
(struct elf_phdr *) regs->regs[base + 6],
(struct elf_phdr __user *) regs->regs[base + 6],
(int) regs->regs[base + 7]);
break;
......@@ -462,24 +452,24 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
case SGI_PHYSP: {
unsigned long addr = regs->regs[base + 5];
int *pageno = (int *) (regs->regs[base + 6]);
int __user *pageno = (int __user *) (regs->regs[base + 6]);
struct mm_struct *mm = current->mm;
pgd_t *pgdp;
pud_t *pudp;
pmd_t *pmdp;
pte_t *ptep;
if (!access_ok(VERIFY_WRITE, pageno, sizeof(int)))
return -EFAULT;
down_read(&mm->mmap_sem);
pgdp = pgd_offset(mm, addr);
pmdp = pmd_offset(pgdp, addr);
pudp = pud_offset(pgdp, addr);
pmdp = pmd_offset(pudp, addr);
ptep = pte_offset(pmdp, addr);
retval = -EINVAL;
if (ptep) {
pte_t pte = *ptep;
if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
/* b0rked on 64-bit */
retval = put_user((pte_val(pte) & PAGE_MASK) >>
PAGE_SHIFT, pageno);
}
......@@ -490,7 +480,7 @@ asmlinkage int irix_syssgi(struct pt_regs *regs)
case SGI_INVENT: {
int arg1 = (int) regs->regs [base + 5];
void *buffer = (void *) regs->regs [base + 6];
void __user *buffer = (void __user *) regs->regs [base + 6];
int count = (int) regs->regs [base + 7];
switch (arg1) {
......@@ -686,8 +676,8 @@ asmlinkage int irix_pause(void)
}
/* XXX need more than this... */
asmlinkage int irix_mount(char *dev_name, char *dir_name, unsigned long flags,
char *type, void *data, int datalen)
asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
unsigned long flags, char __user *type, void __user *data, int datalen)
{
printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
current->comm, current->pid,
......@@ -702,8 +692,8 @@ struct irix_statfs {
char f_fname[6], f_fpack[6];
};
asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
int len, int fs_type)
asmlinkage int irix_statfs(const char __user *path,
struct irix_statfs __user *buf, int len, int fs_type)
{
struct nameidata nd;
struct kstatfs kbuf;
......@@ -718,6 +708,7 @@ asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
error = -EFAULT;
goto out;
}
error = user_path_walk(path, &nd);
if (error)
goto out;
......@@ -726,18 +717,17 @@ asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
if (error)
goto dput_and_out;
__put_user(kbuf.f_type, &buf->f_type);
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
error = __put_user(kbuf.f_type, &buf->f_type);
error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
for (i = 0; i < 6; i++) {
__put_user(0, &buf->f_fname[i]);
__put_user(0, &buf->f_fpack[i]);
error |= __put_user(0, &buf->f_fname[i]);
error |= __put_user(0, &buf->f_fpack[i]);
}
error = 0;
dput_and_out:
path_release(&nd);
......@@ -745,7 +735,7 @@ out:
return error;
}
asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
{
struct kstatfs kbuf;
struct file *file;
......@@ -755,6 +745,7 @@ asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
error = -EFAULT;
goto out;
}
if (!(file = fget(fd))) {
error = -EBADF;
goto out;
......@@ -764,16 +755,17 @@ asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
if (error)
goto out_f;
__put_user(kbuf.f_type, &buf->f_type);
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
for(i = 0; i < 6; i++) {
__put_user(0, &buf->f_fname[i]);
__put_user(0, &buf->f_fpack[i]);
error = __put_user(kbuf.f_type, &buf->f_type);
error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
for (i = 0; i < 6; i++) {
error |= __put_user(0, &buf->f_fname[i]);
error |= __put_user(0, &buf->f_fpack[i]);
}
out_f:
......@@ -800,14 +792,15 @@ asmlinkage int irix_setpgrp(int flags)
return error;
}
asmlinkage int irix_times(struct tms * tbuf)
asmlinkage int irix_times(struct tms __user *tbuf)
{
int err = 0;
if (tbuf) {
if (!access_ok(VERIFY_WRITE,tbuf,sizeof *tbuf))
return -EFAULT;
err |= __put_user(current->utime, &tbuf->tms_utime);
err = __put_user(current->utime, &tbuf->tms_utime);
err |= __put_user(current->stime, &tbuf->tms_stime);
err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
......@@ -823,13 +816,13 @@ asmlinkage int irix_exec(struct pt_regs *regs)
if(regs->regs[2] == 1000)
base = 1;
filename = getname((char *) (long)regs->regs[base + 4]);
filename = getname((char __user *) (long)regs->regs[base + 4]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
return error;
error = do_execve(filename, (char **) (long)regs->regs[base + 5],
(char **) 0, regs);
error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
NULL, regs);
putname(filename);
return error;
......@@ -842,12 +835,12 @@ asmlinkage int irix_exece(struct pt_regs *regs)
if (regs->regs[2] == 1000)
base = 1;
filename = getname((char *) (long)regs->regs[base + 4]);
filename = getname((char __user *) (long)regs->regs[base + 4]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
return error;
error = do_execve(filename, (char **) (long)regs->regs[base + 5],
(char **) (long)regs->regs[base + 6], regs);
error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
(char __user * __user *) (long)regs->regs[base + 6], regs);
putname(filename);
return error;
......@@ -903,22 +896,17 @@ asmlinkage int irix_socket(int family, int type, int protocol)
return sys_socket(family, type, protocol);
}
asmlinkage int irix_getdomainname(char *name, int len)
asmlinkage int irix_getdomainname(char __user *name, int len)
{
int error;
if (!access_ok(VERIFY_WRITE, name, len))
return -EFAULT;
int err;
down_read(&uts_sem);
if (len > __NEW_UTS_LEN)
len = __NEW_UTS_LEN;
error = 0;
if (copy_to_user(name, system_utsname.domainname, len))
error = -EFAULT;
err = copy_to_user(name, system_utsname.domainname, len) ? -EFAULT : 0;
up_read(&uts_sem);
return error;
return err;
}
asmlinkage unsigned long irix_getpagesize(void)
......@@ -934,12 +922,13 @@ asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
case 0:
return sys_msgget((key_t) arg0, (int) arg1);
case 1:
return sys_msgctl((int) arg0, (int) arg1, (struct msqid_ds *)arg2);
return sys_msgctl((int) arg0, (int) arg1,
(struct msqid_ds __user *)arg2);
case 2:
return sys_msgrcv((int) arg0, (struct msgbuf *) arg1,
return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
(size_t) arg2, (long) arg3, (int) arg4);
case 3:
return sys_msgsnd((int) arg0, (struct msgbuf *) arg1,
return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
(size_t) arg2, (int) arg3);
default:
return -EINVAL;
......@@ -951,12 +940,13 @@ asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
{
switch (opcode) {
case 0:
return do_shmat((int) arg0, (char *)arg1, (int) arg2,
return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
(unsigned long *) arg3);
case 1:
return sys_shmctl((int)arg0, (int)arg1, (struct shmid_ds *)arg2);
return sys_shmctl((int)arg0, (int)arg1,
(struct shmid_ds __user *)arg2);
case 2:
return sys_shmdt((char *)arg0);
return sys_shmdt((char __user *)arg0);
case 3:
return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
default:
......@@ -974,7 +964,7 @@ asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
case 1:
return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
case 2:
return sys_semop((int) arg0, (struct sembuf *)arg1,
return sys_semop((int) arg0, (struct sembuf __user *)arg1,
(unsigned int) arg2);
default:
return -EINVAL;
......@@ -992,15 +982,16 @@ static inline loff_t llseek(struct file *file, loff_t offset, int origin)
lock_kernel();
retval = fn(file, offset, origin);
unlock_kernel();
return retval;
}
asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
int origin)
{
int retval;
struct file * file;
loff_t offset;
int retval;
retval = -EBADF;
file = fget(fd);
......@@ -1025,12 +1016,12 @@ asmlinkage int irix_sginap(int ticks)
return 0;
}
asmlinkage int irix_sgikopt(char *istring, char *ostring, int len)
asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
{
return -EINVAL;
}
asmlinkage int irix_gettimeofday(struct timeval *tv)
asmlinkage int irix_gettimeofday(struct timeval __user *tv)
{
time_t sec;
long nsec, seq;
......@@ -1071,7 +1062,7 @@ asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
if (max_size > file->f_dentry->d_inode->i_size) {
old_pos = sys_lseek (fd, max_size - 1, 0);
sys_write (fd, "", 1);
sys_write (fd, (void __user *) "", 1);
sys_lseek (fd, old_pos, 0);
}
}
......@@ -1096,7 +1087,7 @@ asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
return -EINVAL;
}
asmlinkage int irix_pagelock(char *addr, int len, int op)
asmlinkage int irix_pagelock(char __user *addr, int len, int op)
{
printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
current->comm, current->pid, addr, len, op);
......@@ -1136,7 +1127,7 @@ asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
return error;
}
asmlinkage int irix_systeminfo(int cmd, char *buf, int cnt)
asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
{
printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
current->comm, current->pid, cmd, buf, cnt);
......@@ -1152,14 +1143,14 @@ struct iuname {
char _unused3[257], _unused4[257], _unused5[257];
};
asmlinkage int irix_uname(struct iuname *buf)
asmlinkage int irix_uname(struct iuname __user *buf)
{
down_read(&uts_sem);
if (copy_to_user(system_utsname.sysname, buf->sysname, 65)
|| copy_to_user(system_utsname.nodename, buf->nodename, 65)
|| copy_to_user(system_utsname.release, buf->release, 65)
|| copy_to_user(system_utsname.version, buf->version, 65)
|| copy_to_user(system_utsname.machine, buf->machine, 65)) {
if (copy_from_user(system_utsname.sysname, buf->sysname, 65)
|| copy_from_user(system_utsname.nodename, buf->nodename, 65)
|| copy_from_user(system_utsname.release, buf->release, 65)
|| copy_from_user(system_utsname.version, buf->version, 65)
|| copy_from_user(system_utsname.machine, buf->machine, 65)) {
return -EFAULT;
}
up_read(&uts_sem);
......@@ -1169,7 +1160,7 @@ asmlinkage int irix_uname(struct iuname *buf)
#undef DEBUG_XSTAT
static int irix_xstat32_xlate(struct kstat *stat, void *ubuf)
static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
{
struct xstat32 {
u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
......@@ -1209,7 +1200,7 @@ static int irix_xstat32_xlate(struct kstat *stat, void *ubuf)
return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
}
static int irix_xstat64_xlate(struct kstat *stat, void *ubuf)
static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
{
struct xstat64 {
u32 st_dev; s32 st_pad1[3];
......@@ -1259,7 +1250,7 @@ static int irix_xstat64_xlate(struct kstat *stat, void *ubuf)
return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
}
asmlinkage int irix_xstat(int version, char *filename, struct stat *statbuf)
asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
{
int retval;
struct kstat stat;
......@@ -1285,7 +1276,7 @@ asmlinkage int irix_xstat(int version, char *filename, struct stat *statbuf)
return retval;
}
asmlinkage int irix_lxstat(int version, char *filename, struct stat *statbuf)
asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
{
int error;
struct kstat stat;
......@@ -1312,7 +1303,7 @@ asmlinkage int irix_lxstat(int version, char *filename, struct stat *statbuf)
return error;
}
asmlinkage int irix_fxstat(int version, int fd, struct stat *statbuf)
asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
{
int error;
struct kstat stat;
......@@ -1338,7 +1329,7 @@ asmlinkage int irix_fxstat(int version, int fd, struct stat *statbuf)
return error;
}
asmlinkage int irix_xmknod(int ver, char *filename, int mode, unsigned dev)
asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
{
int retval;
printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
......@@ -1358,7 +1349,7 @@ asmlinkage int irix_xmknod(int ver, char *filename, int mode, unsigned dev)
return retval;
}
asmlinkage int irix_swapctl(int cmd, char *arg)
asmlinkage int irix_swapctl(int cmd, char __user *arg)
{
printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
current->comm, current->pid, cmd, arg);
......@@ -1374,7 +1365,7 @@ struct irix_statvfs {
char f_fstr[32]; u32 f_filler[16];
};
asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
{
struct nameidata nd;
struct kstatfs kbuf;
......@@ -1382,10 +1373,9 @@ asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
current->comm, current->pid, fname, buf);
if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
error = -EFAULT;
goto out;
}
if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
return -EFAULT;
error = user_path_walk(fname, &nd);
if (error)
goto out;
......@@ -1393,27 +1383,25 @@ asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
if (error)
goto dput_and_out;
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
__put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
#ifdef __MIPSEB__
__put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
#else
__put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
#endif
for (i = 0; i < 16; i++)
__put_user(0, &buf->f_basetype[i]);
__put_user(0, &buf->f_flag);
__put_user(kbuf.f_namelen, &buf->f_namemax);
error |= __put_user(0, &buf->f_basetype[i]);
error |= __put_user(0, &buf->f_flag);
error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
for (i = 0; i < 32; i++)
__put_user(0, &buf->f_fstr[i]);
error = 0;
error |= __put_user(0, &buf->f_fstr[i]);
dput_and_out:
path_release(&nd);
......@@ -1421,7 +1409,7 @@ out:
return error;
}
asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
{
struct kstatfs kbuf;
struct file *file;
......@@ -1430,10 +1418,9 @@ asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
current->comm, current->pid, fd, buf);
if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
error = -EFAULT;
goto out;
}
if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
return -EFAULT;
if (!(file = fget(fd))) {
error = -EBADF;
goto out;
......@@ -1442,24 +1429,24 @@ asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
if (error)
goto out_f;
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
__put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
error = __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
#ifdef __MIPSEB__
__put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
#else
__put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
#endif
for(i = 0; i < 16; i++)
__put_user(0, &buf->f_basetype[i]);
__put_user(0, &buf->f_flag);
__put_user(kbuf.f_namelen, &buf->f_namemax);
__clear_user(&buf->f_fstr, sizeof(buf->f_fstr));
error |= __put_user(0, &buf->f_basetype[i]);
error |= __put_user(0, &buf->f_flag);
error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
out_f:
fput(file);
......@@ -1483,7 +1470,7 @@ asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
return -EINVAL;
}
asmlinkage int irix_truncate64(char *name, int pad, int size1, int size2)
asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
{
int retval;
......@@ -1516,6 +1503,7 @@ asmlinkage int irix_mmap64(struct pt_regs *regs)
int len, prot, flags, fd, off1, off2, error, base = 0;
unsigned long addr, pgoff, *sp;
struct file *file = NULL;
int err;
if (regs->regs[2] == 1000)
base = 1;
......@@ -1525,36 +1513,31 @@ asmlinkage int irix_mmap64(struct pt_regs *regs)
prot = regs->regs[base + 6];
if (!base) {
flags = regs->regs[base + 7];
if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long)))) {
error = -EFAULT;
goto out;
}
if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
return -EFAULT;
fd = sp[0];
__get_user(off1, &sp[1]);
__get_user(off2, &sp[2]);
err = __get_user(off1, &sp[1]);
err |= __get_user(off2, &sp[2]);
} else {
if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long)))) {
error = -EFAULT;
goto out;
}
__get_user(flags, &sp[0]);
__get_user(fd, &sp[1]);
__get_user(off1, &sp[2]);
__get_user(off2, &sp[3]);
if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
return -EFAULT;
err = __get_user(flags, &sp[0]);
err |= __get_user(fd, &sp[1]);
err |= __get_user(off1, &sp[2]);
err |= __get_user(off2, &sp[3]);
}
if (off1 & PAGE_MASK) {
error = -EOVERFLOW;
goto out;
}
if (err)
return err;
if (off1 & PAGE_MASK)
return -EOVERFLOW;
pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
if (!(flags & MAP_ANONYMOUS)) {
if (!(file = fget(fd))) {
error = -EBADF;
goto out;
}
if (!(file = fget(fd)))
return -EBADF;
/* Ok, bad taste hack follows, try to think in something else
when reading this */
......@@ -1564,7 +1547,7 @@ asmlinkage int irix_mmap64(struct pt_regs *regs)
if (max_size > file->f_dentry->d_inode->i_size) {
old_pos = sys_lseek (fd, max_size - 1, 0);
sys_write (fd, "", 1);
sys_write (fd, (void __user *) "", 1);
sys_lseek (fd, old_pos, 0);
}
}
......@@ -1579,7 +1562,6 @@ asmlinkage int irix_mmap64(struct pt_regs *regs)
if (file)
fput(file);
out:
return error;
}
......@@ -1591,7 +1573,7 @@ asmlinkage int irix_dmi(struct pt_regs *regs)
return -EINVAL;
}
asmlinkage int irix_pread(int fd, char *buf, int cnt, int off64,
asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
int off1, int off2)
{
printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
......@@ -1600,7 +1582,7 @@ asmlinkage int irix_pread(int fd, char *buf, int cnt, int off64,
return -EINVAL;
}
asmlinkage int irix_pwrite(int fd, char *buf, int cnt, int off64,
asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
int off1, int off2)
{
printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
......@@ -1632,7 +1614,7 @@ struct irix_statvfs64 {
u32 f_filler[16];
};
asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
{
struct nameidata nd;
struct kstatfs kbuf;
......@@ -1644,6 +1626,7 @@ asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
error = -EFAULT;
goto out;
}
error = user_path_walk(fname, &nd);
if (error)
goto out;
......@@ -1651,27 +1634,25 @@ asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
if (error)
goto dput_and_out;
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
__put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
error = __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
#ifdef __MIPSEB__
__put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
#else
__put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
#endif
for(i = 0; i < 16; i++)
__put_user(0, &buf->f_basetype[i]);
__put_user(0, &buf->f_flag);
__put_user(kbuf.f_namelen, &buf->f_namemax);
error |= __put_user(0, &buf->f_basetype[i]);
error |= __put_user(0, &buf->f_flag);
error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
for(i = 0; i < 32; i++)
__put_user(0, &buf->f_fstr[i]);
error = 0;
error |= __put_user(0, &buf->f_fstr[i]);
dput_and_out:
path_release(&nd);
......@@ -1679,7 +1660,7 @@ out:
return error;
}
asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
{
struct kstatfs kbuf;
struct file *file;
......@@ -1700,24 +1681,24 @@ asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
if (error)
goto out_f;
__put_user(kbuf.f_bsize, &buf->f_bsize);
__put_user(kbuf.f_frsize, &buf->f_frsize);
__put_user(kbuf.f_blocks, &buf->f_blocks);
__put_user(kbuf.f_bfree, &buf->f_bfree);
__put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
__put_user(kbuf.f_files, &buf->f_files);
__put_user(kbuf.f_ffree, &buf->f_ffree);
__put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
error = __put_user(kbuf.f_bsize, &buf->f_bsize);
error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
error |= __put_user(kbuf.f_files, &buf->f_files);
error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
#ifdef __MIPSEB__
__put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
#else
__put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
#endif
for(i = 0; i < 16; i++)
__put_user(0, &buf->f_basetype[i]);
__put_user(0, &buf->f_flag);
__put_user(kbuf.f_namelen, &buf->f_namemax);
__clear_user(buf->f_fstr, sizeof(buf->f_fstr[i]));
error |= __put_user(0, &buf->f_basetype[i]);
error |= __put_user(0, &buf->f_flag);
error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
out_f:
fput(file);
......@@ -1725,9 +1706,9 @@ out:
return error;
}
asmlinkage int irix_getmountid(char *fname, unsigned long *midbuf)
asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
{
int err = 0;
int err;
printk("[%s:%d] irix_getmountid(%s, %p)\n",
current->comm, current->pid, fname, midbuf);
......@@ -1740,7 +1721,7 @@ asmlinkage int irix_getmountid(char *fname, unsigned long *midbuf)
* fsid of the filesystem to try and make the right decision, but
* we don't have this so for now. XXX
*/
err |= __put_user(0, &midbuf[0]);
err = __put_user(0, &midbuf[0]);
err |= __put_user(0, &midbuf[1]);
err |= __put_user(0, &midbuf[2]);
err |= __put_user(0, &midbuf[3]);
......@@ -1767,8 +1748,8 @@ struct irix_dirent32 {
};
struct irix_dirent32_callback {
struct irix_dirent32 *current_dir;
struct irix_dirent32 *previous;
struct irix_dirent32 __user *current_dir;
struct irix_dirent32 __user *previous;
int count;
int error;
};
......@@ -1776,13 +1757,13 @@ struct irix_dirent32_callback {
#define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
#define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
static int irix_filldir32(void *__buf, const char *name, int namlen,
loff_t offset, ino_t ino, unsigned int d_type)
static int irix_filldir32(void *__buf, const char *name,
int namlen, loff_t offset, ino_t ino, unsigned int d_type)
{
struct irix_dirent32 *dirent;
struct irix_dirent32_callback *buf =
(struct irix_dirent32_callback *)__buf;
struct irix_dirent32 __user *dirent;
struct irix_dirent32_callback *buf = __buf;
unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
int err = 0;
#ifdef DEBUG_GETDENTS
printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
......@@ -1793,25 +1774,26 @@ static int irix_filldir32(void *__buf, const char *name, int namlen,
return -EINVAL;
dirent = buf->previous;
if (dirent)
__put_user(offset, &dirent->d_off);
err = __put_user(offset, &dirent->d_off);
dirent = buf->current_dir;
buf->previous = dirent;
__put_user(ino, &dirent->d_ino);
__put_user(reclen, &dirent->d_reclen);
copy_to_user(dirent->d_name, name, namlen);
__put_user(0, &dirent->d_name[namlen]);
((char *) dirent) += reclen;
err |= __put_user(dirent, &buf->previous);
err |= __put_user(ino, &dirent->d_ino);
err |= __put_user(reclen, &dirent->d_reclen);
err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
err |= __put_user(0, &dirent->d_name[namlen]);
dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
buf->current_dir = dirent;
buf->count -= reclen;
return 0;
return err;
}
asmlinkage int irix_ngetdents(unsigned int fd, void * dirent,
unsigned int count, int *eob)
asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
unsigned int count, int __user *eob)
{
struct file *file;
struct irix_dirent32 *lastdirent;
struct irix_dirent32 __user *lastdirent;
struct irix_dirent32_callback buf;
int error;
......@@ -1824,7 +1806,7 @@ asmlinkage int irix_ngetdents(unsigned int fd, void * dirent,
if (!file)
goto out;
buf.current_dir = (struct irix_dirent32 *) dirent;
buf.current_dir = (struct irix_dirent32 __user *) dirent;
buf.previous = NULL;
buf.count = count;
buf.error = 0;
......@@ -1864,8 +1846,8 @@ struct irix_dirent64 {
};
struct irix_dirent64_callback {
struct irix_dirent64 *curr;
struct irix_dirent64 *previous;
struct irix_dirent64 __user *curr;
struct irix_dirent64 __user *previous;
int count;
int error;
};
......@@ -1873,37 +1855,44 @@ struct irix_dirent64_callback {
#define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
static int irix_filldir64(void * __buf, const char * name, int namlen,
loff_t offset, ino_t ino, unsigned int d_type)
static int irix_filldir64(void *__buf, const char *name,
int namlen, loff_t offset, ino_t ino, unsigned int d_type)
{
struct irix_dirent64 *dirent;
struct irix_dirent64_callback * buf =
(struct irix_dirent64_callback *) __buf;
struct irix_dirent64 __user *dirent;
struct irix_dirent64_callback * buf = __buf;
unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
int err = 0;
buf->error = -EINVAL; /* only used if we fail.. */
if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
return -EFAULT;
if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */
return -EFAULT;
if (reclen > buf->count)
return -EINVAL;
dirent = buf->previous;
if (dirent)
__put_user(offset, &dirent->d_off);
err = __put_user(offset, &dirent->d_off);
dirent = buf->curr;
buf->previous = dirent;
__put_user(ino, &dirent->d_ino);
__put_user(reclen, &dirent->d_reclen);
__copy_to_user(dirent->d_name, name, namlen);
__put_user(0, &dirent->d_name[namlen]);
((char *) dirent) += reclen;
err |= __put_user(ino, &dirent->d_ino);
err |= __put_user(reclen, &dirent->d_reclen);
err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
? -EFAULT : 0;
err |= __put_user(0, &dirent->d_name[namlen]);
dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
buf->curr = dirent;
buf->count -= reclen;
return 0;
return err;
}
asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
{
struct file *file;
struct irix_dirent64 *lastdirent;
struct irix_dirent64 __user *lastdirent;
struct irix_dirent64_callback buf;
int error;
......@@ -1923,7 +1912,7 @@ asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
if (cnt < (sizeof(struct irix_dirent64) + 255))
goto out_f;
buf.curr = (struct irix_dirent64 *) dirent;
buf.curr = (struct irix_dirent64 __user *) dirent;
buf.previous = NULL;
buf.count = cnt;
buf.error = 0;
......@@ -1935,7 +1924,8 @@ asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
error = buf.error;
goto out_f;
}
lastdirent->d_off = (u64) file->f_pos;
if (put_user(file->f_pos, &lastdirent->d_off))
return -EFAULT;
#ifdef DEBUG_GETDENTS
printk("returning %d\n", cnt - buf.count);
#endif
......@@ -1947,10 +1937,10 @@ out:
return error;
}
asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
{
struct file *file;
struct irix_dirent64 *lastdirent;
struct irix_dirent64 __user *lastdirent;
struct irix_dirent64_callback buf;
int error;
......@@ -1972,7 +1962,7 @@ asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
goto out_f;
*eob = 0;
buf.curr = (struct irix_dirent64 *) dirent;
buf.curr = (struct irix_dirent64 __user *) dirent;
buf.previous = NULL;
buf.count = cnt;
buf.error = 0;
......@@ -1984,7 +1974,8 @@ asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
error = buf.error;
goto out_f;
}
lastdirent->d_off = (u64) file->f_pos;
if (put_user(file->f_pos, &lastdirent->d_off))
return -EFAULT;
#ifdef DEBUG_GETDENTS
printk("eob=%d returning %d\n", *eob, cnt - buf.count);
#endif
......@@ -2047,14 +2038,14 @@ out:
return retval;
}
asmlinkage int irix_utssys(char *inbuf, int arg, int type, char *outbuf)
asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
{
int retval;
switch(type) {
case 0:
/* uname() */
retval = irix_uname((struct iuname *)inbuf);
retval = irix_uname((struct iuname __user *)inbuf);
goto out;
case 2:
......
arch/mips/kernel/traps.c
View file @ fe00f943
......@@ -339,9 +339,9 @@ asmlinkage void do_be(struct pt_regs *regs)
static inline int get_insn_opcode(struct pt_regs *regs, unsigned int *opcode)
{
unsigned int *epc;
unsigned int __user *epc;
epc = (unsigned int *) regs->cp0_epc +
epc = (unsigned int __user *) regs->cp0_epc +
((regs->cp0_cause & CAUSEF_BD) != 0);
if (!get_user(*opcode, epc))
return 0;
......@@ -371,7 +371,7 @@ static struct task_struct *ll_task = NULL;
static inline void simulate_ll(struct pt_regs *regs, unsigned int opcode)
{
unsigned long value, *vaddr;
unsigned long value, __user *vaddr;
long offset;
int signal = 0;
......@@ -385,7 +385,8 @@ static inline void simulate_ll(struct pt_regs *regs, unsigned int opcode)
offset <<= 16;
offset >>= 16;
vaddr = (unsigned long *)((long)(regs->regs[(opcode & BASE) >> 21]) + offset);
vaddr = (unsigned long __user *)
((unsigned long)(regs->regs[(opcode & BASE) >> 21]) + offset);
if ((unsigned long)vaddr & 3) {
signal = SIGBUS;
......@@ -418,7 +419,8 @@ sig:
static inline void simulate_sc(struct pt_regs *regs, unsigned int opcode)
{
unsigned long *vaddr, reg;
unsigned long __user *vaddr;
unsigned long reg;
long offset;
int signal = 0;
......@@ -432,7 +434,8 @@ static inline void simulate_sc(struct pt_regs *regs, unsigned int opcode)
offset <<= 16;
offset >>= 16;
vaddr = (unsigned long *)((long)(regs->regs[(opcode & BASE) >> 21]) + offset);
vaddr = (unsigned long __user *)
((unsigned long)(regs->regs[(opcode & BASE) >> 21]) + offset);
reg = (opcode & RT) >> 16;
if ((unsigned long)vaddr & 3) {
......@@ -498,7 +501,7 @@ asmlinkage void do_ov(struct pt_regs *regs)
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void *)regs->cp0_epc;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
}
......@@ -584,7 +587,7 @@ asmlinkage void do_bp(struct pt_regs *regs)
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void *)regs->cp0_epc;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
break;
default:
......@@ -621,7 +624,7 @@ asmlinkage void do_tr(struct pt_regs *regs)
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void *)regs->cp0_epc;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
break;
default:
......
arch/mips/kernel/unaligned.c
View file @ fe00f943
......@@ -94,7 +94,7 @@ unsigned long unaligned_instructions;
#endif
static inline int emulate_load_store_insn(struct pt_regs *regs,
void *addr, unsigned long pc,
void __user *addr, unsigned int __user *pc,
unsigned long **regptr, unsigned long *newvalue)
{
union mips_instruction insn;
......@@ -107,7 +107,7 @@ static inline int emulate_load_store_insn(struct pt_regs *regs,
/*
* This load never faults.
*/
__get_user(insn.word, (unsigned int *)pc);
__get_user(insn.word, pc);
switch (insn.i_format.opcode) {
/*
......@@ -494,8 +494,8 @@ asmlinkage void do_ade(struct pt_regs *regs)
{
unsigned long *regptr, newval;
extern int do_dsemulret(struct pt_regs *);
unsigned int __user *pc;
mm_segment_t seg;
unsigned long pc;
/*
* Address errors may be deliberately induced by the FPU emulator to
......@@ -515,7 +515,7 @@ asmlinkage void do_ade(struct pt_regs *regs)
if ((regs->cp0_badvaddr == regs->cp0_epc) || (regs->cp0_epc & 0x1))
goto sigbus;
pc = exception_epc(regs);
pc = (unsigned int __user *) exception_epc(regs);
if ((current->thread.mflags & MF_FIXADE) == 0)
goto sigbus;
......@@ -526,7 +526,7 @@ asmlinkage void do_ade(struct pt_regs *regs)
seg = get_fs();
if (!user_mode(regs))
set_fs(KERNEL_DS);
if (!emulate_load_store_insn(regs, (void *)regs->cp0_badvaddr, pc,
if (!emulate_load_store_insn(regs, (void __user *)regs->cp0_badvaddr, pc,
&regptr, &newval)) {
compute_return_epc(regs);
/*
......
arch/mips/lib/csum_partial_copy.c
View file @ fe00f943
......@@ -33,7 +33,7 @@ unsigned int csum_partial_copy_nocheck(const unsigned char *src,
* Copy from userspace and compute checksum. If we catch an exception
* then zero the rest of the buffer.
*/
unsigned int csum_partial_copy_from_user (const unsigned char *src,
unsigned int csum_partial_copy_from_user (const unsigned char __user *src,
unsigned char *dst, int len, unsigned int sum, int *err_ptr)
{
int missing;
......
arch/mips/mm/c-r4k.c
View file @ fe00f943
......@@ -456,8 +456,8 @@ static void r4k_flush_data_cache_page(unsigned long addr)
}
struct flush_icache_range_args {
unsigned long start;
unsigned long end;
unsigned long __user start;
unsigned long __user end;
};
static inline void local_r4k_flush_icache_range(void *args)
......@@ -519,7 +519,8 @@ static inline void local_r4k_flush_icache_range(void *args)
}
}
static void r4k_flush_icache_range(unsigned long start, unsigned long end)
static void r4k_flush_icache_range(unsigned long __user start,
unsigned long __user end)
{
struct flush_icache_range_args args;
......
arch/mips/mm/cache.c
View file @ fe00f943
......@@ -24,7 +24,8 @@ void (*flush_cache_mm)(struct mm_struct *mm);
void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
void (*flush_icache_range)(unsigned long start, unsigned long end);
void (*flush_icache_range)(unsigned long __user start,
unsigned long __user end);
void (*flush_icache_page)(struct vm_area_struct *vma, struct page *page);
/* MIPS specific cache operations */
......@@ -49,10 +50,10 @@ EXPORT_SYMBOL(_dma_cache_inv);
* We could optimize the case where the cache argument is not BCACHE but
* that seems very atypical use ...
*/
asmlinkage int sys_cacheflush(unsigned long addr, unsigned long int bytes,
unsigned int cache)
asmlinkage int sys_cacheflush(unsigned long __user addr,
unsigned long bytes, unsigned int cache)
{
if (!access_ok(VERIFY_WRITE, (void *) addr, bytes))
if (!access_ok(VERIFY_WRITE, (void __user *) addr, bytes))
return -EFAULT;
flush_icache_range(addr, addr + bytes);
......
arch/mips/mm/fault.c
View file @ fe00f943
......@@ -141,7 +141,7 @@ bad_area_nosemaphore:
info.si_signo = SIGSEGV;
info.si_errno = 0;
/* info.si_code has been set above */
info.si_addr = (void *) address;
info.si_addr = (void __user *) address;
force_sig_info(SIGSEGV, &info, tsk);
return;
}
......@@ -197,7 +197,7 @@ do_sigbus:
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRERR;
info.si_addr = (void *) address;
info.si_addr = (void __user *) address;
force_sig_info(SIGBUS, &info, tsk);
return;
......
include/asm-mips/cacheflush.h
View file @ fe00f943
......@@ -49,7 +49,8 @@ static inline void flush_dcache_page(struct page *page)
extern void (*flush_icache_page)(struct vm_area_struct *vma,
struct page *page);
extern void (*flush_icache_range)(unsigned long start, unsigned long end);
extern void (*flush_icache_range)(unsigned long __user start,
unsigned long __user end);
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
......
include/asm-mips/checksum.h
View file @ fe00f943
......@@ -34,8 +34,9 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum);
* this is a new version of the above that records errors it finds in *errp,
* but continues and zeros the rest of the buffer.
*/
unsigned int csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, int len,
unsigned int sum, int *errp);
unsigned int csum_partial_copy_from_user(const unsigned char __user *src,
unsigned char *dst, int len,
unsigned int sum, int *errp);
/*
* Copy and checksum to user
......
include/asm-mips/io.h
View file @ fe00f943
......@@ -25,6 +25,7 @@
#include <asm/page.h>
#include <asm/pgtable-bits.h>
#include <asm/processor.h>
#include <asm/string.h>
#include <mangle-port.h>
......@@ -217,7 +218,7 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
*/
if (flags == _CACHE_UNCACHED)
base = (u64) IO_BASE;
return (void *) (unsigned long) (base + offset);
return (void __iomem *) (unsigned long) (base + offset);
}
return __ioremap(offset, size, flags);
......@@ -486,9 +487,18 @@ BUILDSTRING(q, u64)
/* Depends on MIPS II instruction set */
#define mmiowb() asm volatile ("sync" ::: "memory")
#define memset_io(a,b,c) memset((void *)(a),(b),(c))
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
{
memset((void __force *) addr, val, count);
}
static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
{
memcpy(dst, (void __force *) src, count);
}
static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
{
memcpy((void __force *) dst, src, count);
}
/*
* Memory Mapped I/O
......
include/asm-mips/irq.h
View file @ fe00f943
......@@ -24,11 +24,9 @@ static inline int irq_canonicalize(int irq)
struct pt_regs;
#ifdef CONFIG_PREEMPT
extern asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs);
#else
#ifdef CONFIG_PREEMPT
/*
* do_IRQ handles all normal device IRQ's (the special
......
include/asm-mips/sibyte/sb1250.h
View file @ fe00f943
......@@ -58,6 +58,6 @@ extern void prom_printf(char *fmt, ...);
#endif
#define IOADDR(a) ((void *)(IO_BASE + (a)))
#define IOADDR(a) ((volatile void __iomem *)(IO_BASE + (a)))
#endif
include/asm-mips/uaccess.h
View file @ fe00f943
......@@ -196,63 +196,56 @@
__get_user_nocheck((x),(ptr),sizeof(*(ptr)))
struct __large_struct { unsigned long buf[100]; };
#define __m(x) (*(struct __large_struct *)(x))
#define __m(x) (*(struct __large_struct __user *)(x))
/*
* Yuck. We need two variants, one for 64bit operation and one
* for 32 bit mode and old iron.
*/
#ifdef __mips64
#define __GET_USER_DW(__gu_err) __get_user_asm("ld", __gu_err)
#define __GET_USER_DW(ptr) __get_user_asm("ld", ptr)
#else
#define __GET_USER_DW(__gu_err) __get_user_asm_ll32(__gu_err)
#define __GET_USER_DW(ptr) __get_user_asm_ll32(ptr)
#endif
#define __get_user_nocheck(x,ptr,size) \
({ \
__typeof(*(ptr)) __gu_val = 0; \
long __gu_addr; \
__typeof(*(ptr)) __gu_val = (__typeof(*(ptr))) 0; \
long __gu_err = 0; \
\
might_sleep(); \
__gu_addr = (long) (ptr); \
switch (size) { \
case 1: __get_user_asm("lb", __gu_err); break; \
case 2: __get_user_asm("lh", __gu_err); break; \
case 4: __get_user_asm("lw", __gu_err); break; \
case 8: __GET_USER_DW(__gu_err); break; \
case 1: __get_user_asm("lb", ptr); break; \
case 2: __get_user_asm("lh", ptr); break; \
case 4: __get_user_asm("lw", ptr); break; \
case 8: __GET_USER_DW(ptr); break; \
default: __get_user_unknown(); break; \
} \
x = (__typeof__(*(ptr))) __gu_val; \
(x) = (__typeof__(*(ptr))) __gu_val; \
__gu_err; \
})
#define __get_user_check(x,ptr,size) \
({ \
const __typeof__(*(ptr)) __user * __gu_addr = (ptr); \
__typeof__(*(ptr)) __gu_val = 0; \
long __gu_addr; \
long __gu_err; \
long __gu_err = -EFAULT; \
\
might_sleep(); \
__gu_addr = (long) (ptr); \
__gu_err = access_ok(VERIFY_READ, (void *) __gu_addr, size) \
? 0 : -EFAULT; \
\
if (likely(!__gu_err)) { \
if (likely(access_ok(VERIFY_READ, __gu_addr, size))) { \
switch (size) { \
case 1: __get_user_asm("lb", __gu_err); break; \
case 2: __get_user_asm("lh", __gu_err); break; \
case 4: __get_user_asm("lw", __gu_err); break; \
case 8: __GET_USER_DW(__gu_err); break; \
case 1: __get_user_asm("lb", __gu_addr); break; \
case 2: __get_user_asm("lh", __gu_addr); break; \
case 4: __get_user_asm("lw", __gu_addr); break; \
case 8: __GET_USER_DW(__gu_addr); break; \
default: __get_user_unknown(); break; \
} \
} \
x = (__typeof__(*(ptr))) __gu_val; \
(x) = (__typeof__(*(ptr))) __gu_val; \
__gu_err; \
})
#define __get_user_asm(insn,__gu_err) \
({ \
#define __get_user_asm(insn, addr) \
{ \
__asm__ __volatile__( \
"1: " insn " %1, %3 \n" \
"2: \n" \
......@@ -264,20 +257,20 @@ struct __large_struct { unsigned long buf[100]; };
" "__UA_ADDR "\t1b, 3b \n" \
" .previous \n" \
: "=r" (__gu_err), "=r" (__gu_val) \
: "0" (__gu_err), "o" (__m(__gu_addr)), "i" (-EFAULT)); \
})
: "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \
}
/*
* Get a long long 64 using 32 bit registers.
*/
#define __get_user_asm_ll32(__gu_err) \
({ \
#define __get_user_asm_ll32(addr) \
{ \
__asm__ __volatile__( \
"1: lw %1, %3 \n" \
"2: lw %D1, %4 \n" \
"1: lw %1, (%3) \n" \
"2: lw %D1, 4(%3) \n" \
" move %0, $0 \n" \
"3: .section .fixup,\"ax\" \n" \
"4: li %0, %5 \n" \
"4: li %0, %4 \n" \
" move %1, $0 \n" \
" move %D1, $0 \n" \
" j 3b \n" \
......@@ -287,9 +280,8 @@ struct __large_struct { unsigned long buf[100]; };
" " __UA_ADDR " 2b, 4b \n" \
" .previous \n" \
: "=r" (__gu_err), "=&r" (__gu_val) \
: "0" (__gu_err), "o" (__m(__gu_addr)), \
"o" (__m(__gu_addr + 4)), "i" (-EFAULT)); \
})
: "0" (0), "r" (addr), "i" (-EFAULT)); \
}
extern void __get_user_unknown(void);
......@@ -298,25 +290,23 @@ extern void __get_user_unknown(void);
* for 32 bit mode and old iron.
*/
#ifdef __mips64
#define __PUT_USER_DW(__pu_val) __put_user_asm("sd", __pu_val)
#define __PUT_USER_DW(ptr) __put_user_asm("sd", ptr)
#else
#define __PUT_USER_DW(__pu_val) __put_user_asm_ll32(__pu_val)
#define __PUT_USER_DW(ptr) __put_user_asm_ll32(ptr)
#endif
#define __put_user_nocheck(x,ptr,size) \
({ \
__typeof__(*(ptr)) __pu_val; \
long __pu_addr; \
long __pu_err = 0; \
\
might_sleep(); \
__pu_val = (x); \
__pu_addr = (long) (ptr); \
switch (size) { \
case 1: __put_user_asm("sb", __pu_val); break; \
case 2: __put_user_asm("sh", __pu_val); break; \
case 4: __put_user_asm("sw", __pu_val); break; \
case 8: __PUT_USER_DW(__pu_val); break; \
case 1: __put_user_asm("sb", ptr); break; \
case 2: __put_user_asm("sh", ptr); break; \
case 4: __put_user_asm("sw", ptr); break; \
case 8: __PUT_USER_DW(ptr); break; \
default: __put_user_unknown(); break; \
} \
__pu_err; \
......@@ -324,30 +314,24 @@ extern void __get_user_unknown(void);
#define __put_user_check(x,ptr,size) \
({ \
__typeof__(*(ptr)) __pu_val; \
long __pu_addr; \
long __pu_err; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
__typeof__(*(ptr)) __pu_val = (x); \
long __pu_err = -EFAULT; \
\
might_sleep(); \
__pu_val = (x); \
__pu_addr = (long) (ptr); \
__pu_err = access_ok(VERIFY_WRITE, (void *) __pu_addr, size) \
? 0 : -EFAULT; \
\
if (likely(!__pu_err)) { \
if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
switch (size) { \
case 1: __put_user_asm("sb", __pu_val); break; \
case 2: __put_user_asm("sh", __pu_val); break; \
case 4: __put_user_asm("sw", __pu_val); break; \
case 8: __PUT_USER_DW(__pu_val); break; \
case 1: __put_user_asm("sb", __pu_addr); break; \
case 2: __put_user_asm("sh", __pu_addr); break; \
case 4: __put_user_asm("sw", __pu_addr); break; \
case 8: __PUT_USER_DW(__pu_addr); break; \
default: __put_user_unknown(); break; \
} \
} \
__pu_err; \
})
#define __put_user_asm(insn, __pu_val) \
({ \
#define __put_user_asm(insn, ptr) \
{ \
__asm__ __volatile__( \
"1: " insn " %z2, %3 # __put_user_asm\n" \
"2: \n" \
......@@ -359,18 +343,18 @@ extern void __get_user_unknown(void);
" " __UA_ADDR " 1b, 3b \n" \
" .previous \n" \
: "=r" (__pu_err) \
: "0" (__pu_err), "Jr" (__pu_val), "o" (__m(__pu_addr)), \
: "0" (0), "Jr" (__pu_val), "o" (__m(ptr)), \
"i" (-EFAULT)); \
})
}
#define __put_user_asm_ll32(__pu_val) \
({ \
#define __put_user_asm_ll32(ptr) \
{ \
__asm__ __volatile__( \
"1: sw %2, %3 # __put_user_asm_ll32 \n" \
"2: sw %D2, %4 \n" \
"1: sw %2, (%3) # __put_user_asm_ll32 \n" \
"2: sw %D2, 4(%3) \n" \
"3: \n" \
" .section .fixup,\"ax\" \n" \
"4: li %0, %5 \n" \
"4: li %0, %4 \n" \
" j 3b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
......@@ -378,9 +362,9 @@ extern void __get_user_unknown(void);
" " __UA_ADDR " 2b, 4b \n" \
" .previous" \
: "=r" (__pu_err) \
: "0" (__pu_err), "r" (__pu_val), "o" (__m(__pu_addr)), \
"o" (__m(__pu_addr + 4)), "i" (-EFAULT)); \
})
: "0" (0), "r" (__pu_val), "r" (ptr), \
"i" (-EFAULT)); \
}
extern void __put_user_unknown(void);
......@@ -403,7 +387,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define __invoke_copy_to_user(to,from,n) \
({ \
register void *__cu_to_r __asm__ ("$4"); \
register void __user *__cu_to_r __asm__ ("$4"); \
register const void *__cu_from_r __asm__ ("$5"); \
register long __cu_len_r __asm__ ("$6"); \
\
......@@ -435,7 +419,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
*/
#define __copy_to_user(to,from,n) \
({ \
void *__cu_to; \
void __user *__cu_to; \
const void *__cu_from; \
long __cu_len; \
\
......@@ -465,7 +449,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
*/
#define copy_to_user(to,from,n) \
({ \
void *__cu_to; \
void __user *__cu_to; \
const void *__cu_from; \
long __cu_len; \
\
......@@ -482,7 +466,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define __invoke_copy_from_user(to,from,n) \
({ \
register void *__cu_to_r __asm__ ("$4"); \
register const void *__cu_from_r __asm__ ("$5"); \
register const void __user *__cu_from_r __asm__ ("$5"); \
register long __cu_len_r __asm__ ("$6"); \
\
__cu_to_r = (to); \
......@@ -521,7 +505,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define __copy_from_user(to,from,n) \
({ \
void *__cu_to; \
const void *__cu_from; \
const void __user *__cu_from; \
long __cu_len; \
\
might_sleep(); \
......@@ -552,7 +536,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define copy_from_user(to,from,n) \
({ \
void *__cu_to; \
const void *__cu_from; \
const void __user *__cu_from; \
long __cu_len; \
\
might_sleep(); \
......@@ -569,8 +553,8 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
#define copy_in_user(to,from,n) \
({ \
void *__cu_to; \
const void *__cu_from; \
void __user *__cu_to; \
const void __user *__cu_from; \
long __cu_len; \
\
might_sleep(); \
......@@ -596,7 +580,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
* On success, this will be zero.
*/
static inline __kernel_size_t
__clear_user(void *addr, __kernel_size_t size)
__clear_user(void __user *addr, __kernel_size_t size)
{
__kernel_size_t res;
......@@ -616,7 +600,7 @@ __clear_user(void *addr, __kernel_size_t size)
#define clear_user(addr,n) \
({ \
void * __cl_addr = (addr); \
void __user * __cl_addr = (addr); \
unsigned long __cl_size = (n); \
if (__cl_size && access_ok(VERIFY_WRITE, \
((unsigned long)(__cl_addr)), __cl_size)) \
......@@ -645,7 +629,7 @@ __clear_user(void *addr, __kernel_size_t size)
* and returns @count.
*/
static inline long
__strncpy_from_user(char *__to, const char *__from, long __len)
__strncpy_from_user(char *__to, const char __user *__from, long __len)
{
long res;
......@@ -682,7 +666,7 @@ __strncpy_from_user(char *__to, const char *__from, long __len)
* and returns @count.
*/
static inline long
strncpy_from_user(char *__to, const char *__from, long __len)
strncpy_from_user(char *__to, const char __user *__from, long __len)
{
long res;
......@@ -701,7 +685,7 @@ strncpy_from_user(char *__to, const char *__from, long __len)
}
/* Returns: 0 if bad, string length+1 (memory size) of string if ok */
static inline long __strlen_user(const char *s)
static inline long __strlen_user(const char __user *s)
{
long res;
......@@ -731,7 +715,7 @@ static inline long __strlen_user(const char *s)
* If there is a limit on the length of a valid string, you may wish to
* consider using strnlen_user() instead.
*/
static inline long strlen_user(const char *s)
static inline long strlen_user(const char __user *s)
{
long res;
......@@ -748,7 +732,7 @@ static inline long strlen_user(const char *s)
}
/* Returns: 0 if bad, string length+1 (memory size) of string if ok */
static inline long __strnlen_user(const char *s, long n)
static inline long __strnlen_user(const char __user *s, long n)
{
long res;
......@@ -779,7 +763,7 @@ static inline long __strnlen_user(const char *s, long n)
* If there is a limit on the length of a valid string, you may wish to
* consider using strnlen_user() instead.
*/
static inline long strnlen_user(const char *s, long n)
static inline long strnlen_user(const char __user *s, long n)
{
long res;
......
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