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[PATCH] sem2mutex: audit_netlink_sem 

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: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Ingo Molnar 2006-03-07 23:51:38 -08:00 committed by Al Viro
parent 4023e02080
commit 5a0bbce58b
3 changed files with 13 additions and 12 deletions
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6
kernel/audit.c
View File

@ -114,7 +114,7 @@ static DECLARE_WAIT_QUEUE_HEAD(audit_backlog_wait);
/* The netlink socket is only to be read by 1 CPU, which lets us assume
* that list additions and deletions never happen simultaneously in
* auditsc.c */
DECLARE_MUTEX(audit_netlink_sem);
DEFINE_MUTEX(audit_netlink_mutex);
/* AUDIT_BUFSIZ is the size of the temporary buffer used for formatting
* audit records. Since printk uses a 1024 byte buffer, this buffer
@ -538,14 +538,14 @@ static void audit_receive(struct sock *sk, int length)
struct sk_buff *skb;
unsigned int qlen;
down(&audit_netlink_sem);
mutex_lock(&audit_netlink_mutex);
for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
skb = skb_dequeue(&sk->sk_receive_queue);
audit_receive_skb(skb);
kfree_skb(skb);
}
up(&audit_netlink_sem);
mutex_unlock(&audit_netlink_mutex);
}

3
kernel/audit.h
View File

@ -19,6 +19,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/mutex.h>
#include <linux/fs.h>
#include <linux/audit.h>
@ -84,4 +85,4 @@ extern void audit_send_reply(int pid, int seq, int type,
void *payload, int size);
extern void audit_log_lost(const char *message);
extern void audit_panic(const char *message);
extern struct semaphore audit_netlink_sem;
extern struct mutex audit_netlink_mutex;

16
kernel/auditfilter.c
View File

@ -329,7 +329,7 @@ static int audit_compare_rule(struct audit_krule *a, struct audit_krule *b)
}
/* Add rule to given filterlist if not a duplicate. Protected by
* audit_netlink_sem. */
* audit_netlink_mutex. */
static inline int audit_add_rule(struct audit_entry *entry,
struct list_head *list)
{
@ -352,7 +352,7 @@ static inline int audit_add_rule(struct audit_entry *entry,
}
/* Remove an existing rule from filterlist. Protected by
* audit_netlink_sem. */
* audit_netlink_mutex. */
static inline int audit_del_rule(struct audit_entry *entry,
struct list_head *list)
{
@ -383,10 +383,10 @@ static int audit_list(void *_dest)
seq = dest[1];
kfree(dest);
down(&audit_netlink_sem);
mutex_lock(&audit_netlink_mutex);
/* The *_rcu iterators not needed here because we are
always called with audit_netlink_sem held. */
always called with audit_netlink_mutex held. */
for (i=0; i<AUDIT_NR_FILTERS; i++) {
list_for_each_entry(entry, &audit_filter_list[i], list) {
struct audit_rule *rule;
@ -401,7 +401,7 @@ static int audit_list(void *_dest)
}
audit_send_reply(pid, seq, AUDIT_LIST, 1, 1, NULL, 0);
up(&audit_netlink_sem);
mutex_unlock(&audit_netlink_mutex);
return 0;
}
@ -417,10 +417,10 @@ static int audit_list_rules(void *_dest)
seq = dest[1];
kfree(dest);
down(&audit_netlink_sem);
mutex_lock(&audit_netlink_mutex);
/* The *_rcu iterators not needed here because we are
always called with audit_netlink_sem held. */
always called with audit_netlink_mutex held. */
for (i=0; i<AUDIT_NR_FILTERS; i++) {
list_for_each_entry(e, &audit_filter_list[i], list) {
struct audit_rule_data *data;
@ -435,7 +435,7 @@ static int audit_list_rules(void *_dest)
}
audit_send_reply(pid, seq, AUDIT_LIST_RULES, 1, 1, NULL, 0);
up(&audit_netlink_sem);
mutex_unlock(&audit_netlink_mutex);
return 0;
}