Commit bc7e982b authored by Eric Paris's avatar Eric Paris Committed by Linus Torvalds

[PATCH] SELinux: convert sbsec semaphore to a mutex

This patch converts the semaphore in the superblock security struct to a
mutex.  No locking changes or other code changes are done.
Signed-off-by: default avatarEric Paris <eparis@redhat.com>
Acked-by: default avatarStephen Smalley <sds@tycho.nsa.gov>
Acked-by: default avatarJames Morris <jmorris@namei.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 23970741
......@@ -51,7 +51,6 @@
#include <net/ip.h> /* for sysctl_local_port_range[] */
#include <net/tcp.h> /* struct or_callable used in sock_rcv_skb */
#include <asm/uaccess.h>
#include <asm/semaphore.h>
#include <asm/ioctls.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
......@@ -243,7 +242,7 @@ static int superblock_alloc_security(struct super_block *sb)
if (!sbsec)
return -ENOMEM;
init_MUTEX(&sbsec->sem);
mutex_init(&sbsec->lock);
INIT_LIST_HEAD(&sbsec->list);
INIT_LIST_HEAD(&sbsec->isec_head);
spin_lock_init(&sbsec->isec_lock);
......@@ -595,7 +594,7 @@ static int superblock_doinit(struct super_block *sb, void *data)
struct inode *inode = root->d_inode;
int rc = 0;
down(&sbsec->sem);
mutex_lock(&sbsec->lock);
if (sbsec->initialized)
goto out;
......@@ -690,7 +689,7 @@ next_inode:
}
spin_unlock(&sbsec->isec_lock);
out:
up(&sbsec->sem);
mutex_unlock(&sbsec->lock);
return rc;
}
......
......@@ -63,7 +63,7 @@ struct superblock_security_struct {
unsigned int behavior; /* labeling behavior */
unsigned char initialized; /* initialization flag */
unsigned char proc; /* proc fs */
struct semaphore sem;
struct mutex lock;
struct list_head isec_head;
spinlock_t isec_lock;
};
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment