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[PATCH] sem2mutex: security/ 

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Stephen Smalley <sds@epoch.ncsc.mil>
Cc: James Morris <jmorris@namei.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-03-22 00:09:14 -08:00 committed by Linus Torvalds
parent 8aad38752e
commit bb0030797f
3 changed files with 19 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
security/keys/process_keys.c
View File

@ -16,11 +16,12 @@
#include <linux/keyctl.h>
#include <linux/fs.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
#include "internal.h"
/* session keyring create vs join semaphore */
static DECLARE_MUTEX(key_session_sem);
static DEFINE_MUTEX(key_session_mutex);
/* the root user's tracking struct */
struct key_user root_key_user = {
@ -711,7 +712,7 @@ long join_session_keyring(const char *name)
}
/* allow the user to join or create a named keyring */
down(&key_session_sem);
mutex_lock(&key_session_mutex);
/* look for an existing keyring of this name */
keyring = find_keyring_by_name(name, 0);
@ -737,7 +738,7 @@ long join_session_keyring(const char *name)
key_put(keyring);
error2:
up(&key_session_sem);
mutex_unlock(&key_session_mutex);
error:
return ret;

19
security/selinux/selinuxfs.c
View File

@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/mutex.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/security.h>
@ -44,7 +45,7 @@ static int __init checkreqprot_setup(char *str)
__setup("checkreqprot=", checkreqprot_setup);
static DECLARE_MUTEX(sel_sem);
static DEFINE_MUTEX(sel_mutex);
/* global data for booleans */
static struct dentry *bool_dir = NULL;
@ -230,7 +231,7 @@ static ssize_t sel_write_load(struct file * file, const char __user * buf,
ssize_t length;
void *data = NULL;
down(&sel_sem);
mutex_lock(&sel_mutex);
length = task_has_security(current, SECURITY__LOAD_POLICY);
if (length)
@ -262,7 +263,7 @@ static ssize_t sel_write_load(struct file * file, const char __user * buf,
else
length = count;
out:
up(&sel_sem);
mutex_unlock(&sel_mutex);
vfree(data);
return length;
}
@ -714,7 +715,7 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
int cur_enforcing;
struct inode *inode;
down(&sel_sem);
mutex_lock(&sel_mutex);
ret = -EFAULT;
@ -759,7 +760,7 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
*ppos = end;
ret = count;
out:
up(&sel_sem);
mutex_unlock(&sel_mutex);
if (page)
free_page((unsigned long)page);
return ret;
@ -773,7 +774,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
int new_value;
struct inode *inode;
down(&sel_sem);
mutex_lock(&sel_mutex);
length = task_has_security(current, SECURITY__SETBOOL);
if (length)
@ -812,7 +813,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
length = count;
out:
up(&sel_sem);
mutex_unlock(&sel_mutex);
if (page)
free_page((unsigned long) page);
return length;
@ -831,7 +832,7 @@ static ssize_t sel_commit_bools_write(struct file *filep,
ssize_t length = -EFAULT;
int new_value;
down(&sel_sem);
mutex_lock(&sel_mutex);
length = task_has_security(current, SECURITY__SETBOOL);
if (length)
@ -869,7 +870,7 @@ static ssize_t sel_commit_bools_write(struct file *filep,
length = count;
out:
up(&sel_sem);
mutex_unlock(&sel_mutex);
if (page)
free_page((unsigned long) page);
return length;

9
security/selinux/ss/services.c
View File

@ -27,7 +27,8 @@
#include <linux/in.h>
#include <linux/sched.h>
#include <linux/audit.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include "flask.h"
#include "avc.h"
#include "avc_ss.h"
@ -48,9 +49,9 @@ static DEFINE_RWLOCK(policy_rwlock);
#define POLICY_RDUNLOCK read_unlock(&policy_rwlock)
#define POLICY_WRUNLOCK write_unlock_irq(&policy_rwlock)
static DECLARE_MUTEX(load_sem);
#define LOAD_LOCK down(&load_sem)
#define LOAD_UNLOCK up(&load_sem)
static DEFINE_MUTEX(load_mutex);
#define LOAD_LOCK mutex_lock(&load_mutex)
#define LOAD_UNLOCK mutex_unlock(&load_mutex)
static struct sidtab sidtab;
struct policydb policydb;