[MIPS] Replace sys32_socketcall with the generic compat_sys_socketcall.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/linux32.c

@@ -544,120 +544,6 @@ asmlinkage long sys32_sync_file_range(int fd, int __pad,
 			flags);
 }
 
-/* Argument list sizes for sys_socketcall */
-#define AL(x) ((x) * sizeof(unsigned int))
-static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
-				AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
-				AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)};
-#undef AL
-
-/*
- *	System call vectors.
- *
- *	Argument checking cleaned up. Saved 20% in size.
- *  This function doesn't need to set the kernel lock because
- *  it is set by the callees.
- */
-
-asmlinkage long sys32_socketcall(int call, unsigned int __user *args32)
-{
-	unsigned int a[6];
-	unsigned int a0,a1;
-	int err;
-
-	extern asmlinkage long sys_socket(int family, int type, int protocol);
-	extern asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen);
-	extern asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen);
-	extern asmlinkage long sys_listen(int fd, int backlog);
-	extern asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen);
-	extern asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len);
-	extern asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len);
-	extern asmlinkage long sys_socketpair(int family, int type, int protocol, int __user *usockvec);
-	extern asmlinkage long sys_send(int fd, void __user * buff, size_t len, unsigned flags);
-	extern asmlinkage long sys_sendto(int fd, void __user * buff, size_t len, unsigned flags,
-					  struct sockaddr __user *addr, int addr_len);
-	extern asmlinkage long sys_recv(int fd, void __user * ubuf, size_t size, unsigned flags);
-	extern asmlinkage long sys_recvfrom(int fd, void __user * ubuf, size_t size, unsigned flags,
-					    struct sockaddr __user *addr, int __user *addr_len);
-	extern asmlinkage long sys_shutdown(int fd, int how);
-	extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen);
-	extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen);
-	extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
-	extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags);
-
-
-	if(call<1||call>SYS_RECVMSG)
-		return -EINVAL;
-
-	/* copy_from_user should be SMP safe. */
-	if (copy_from_user(a, args32, socketcall_nargs[call]))
-		return -EFAULT;
-
-	a0=a[0];
-	a1=a[1];
-
-	switch(call)
-	{
-		case SYS_SOCKET:
-			err = sys_socket(a0,a1,a[2]);
-			break;
-		case SYS_BIND:
-			err = sys_bind(a0,(struct sockaddr __user *)A(a1), a[2]);
-			break;
-		case SYS_CONNECT:
-			err = sys_connect(a0, (struct sockaddr __user *)A(a1), a[2]);
-			break;
-		case SYS_LISTEN:
-			err = sys_listen(a0,a1);
-			break;
-		case SYS_ACCEPT:
-			err = sys_accept(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
-			break;
-		case SYS_GETSOCKNAME:
-			err = sys_getsockname(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
-			break;
-		case SYS_GETPEERNAME:
-			err = sys_getpeername(a0, (struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
-			break;
-		case SYS_SOCKETPAIR:
-			err = sys_socketpair(a0,a1, a[2], (int __user *)A(a[3]));
-			break;
-		case SYS_SEND:
-			err = sys_send(a0, (void __user *)A(a1), a[2], a[3]);
-			break;
-		case SYS_SENDTO:
-			err = sys_sendto(a0,(void __user *)A(a1), a[2], a[3],
-					 (struct sockaddr __user *)A(a[4]), a[5]);
-			break;
-		case SYS_RECV:
-			err = sys_recv(a0, (void __user *)A(a1), a[2], a[3]);
-			break;
-		case SYS_RECVFROM:
-			err = sys_recvfrom(a0, (void __user *)A(a1), a[2], a[3],
-					   (struct sockaddr __user *)A(a[4]), (int __user *)A(a[5]));
-			break;
-		case SYS_SHUTDOWN:
-			err = sys_shutdown(a0,a1);
-			break;
-		case SYS_SETSOCKOPT:
-			err = sys_setsockopt(a0, a1, a[2], (char __user *)A(a[3]), a[4]);
-			break;
-		case SYS_GETSOCKOPT:
-			err = sys_getsockopt(a0, a1, a[2], (char __user *)A(a[3]), (int __user *)A(a[4]));
-			break;
-		case SYS_SENDMSG:
-			err = sys_sendmsg(a0, (struct msghdr __user *) A(a1), a[2]);
-			break;
-		case SYS_RECVMSG:
-			err = sys_recvmsg(a0, (struct msghdr __user *) A(a1), a[2]);
-			break;
-		default:
-			err = -EINVAL;
-			break;
-	}
-	return err;
-}
-
 struct sigevent32 {
 	u32 sigev_value;
 	u32 sigev_signo;

arch/mips/kernel/scall64-o32.S

@@ -307,7 +307,7 @@ sys_call_table:
 	PTR	compat_sys_statfs
 	PTR	compat_sys_fstatfs		/* 4100 */
 	PTR	sys_ni_syscall			/* sys_ioperm */
-	PTR	sys32_socketcall
+	PTR	compat_sys_socketcall
 	PTR	sys_syslog
 	PTR	compat_sys_setitimer
 	PTR	compat_sys_getitimer		/* 4105 */