anonfunc/xtables-addons
1
0
Fork 0
mirror of git://git.code.sf.net/p/xtables-addons/xtables-addons synced 2025-09-07 05:05:12 +02:00
Code Issues Releases Wiki Activity

xt_condition: use non-interruptible check routine

Browse Source 
Patrick McHardy let's it be known: "No need for interruptible locking,
the section is very short and usually there's only a single iptables
process running at a time."
This commit is contained in:
Jan Engelhardt
2010-04-09 12:28:50 +02:00
parent 47cbb07162
commit c6f8f72bf1
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
extensions/xt_condition.c
View File

@@ -56,7 +56,7 @@ struct condition_variable {
/* proc_lock is a user context only semaphore used for write access */
/* to the conditions' list. */
static struct mutex proc_lock;
static DEFINE_MUTEX(proc_lock);
static LIST_HEAD(conditions_list);
static struct proc_dir_entry *proc_net_condition;
@@ -122,9 +122,7 @@ static int condition_mt_check(const struct xt_mtchk_param *par)
* Let's acquire the lock, check for the condition and add it
* or increase the reference counter.
*/
if (mutex_lock_interruptible(&proc_lock) != 0)
return -EINTR;
mutex_lock(&proc_lock);
list_for_each_entry(var, &conditions_list, list) {
if (strcmp(info->name, var->status_proc->name) == 0) {
var->refcount++;