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TOMOYO: Remove tomoyo_policy_memory_lock spinlock.

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tomoyo_policy_lock mutex already protects it.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa
2011-09-25 17:51:06 +09:00
committed by James Morris
parent f9732ea145
commit a427fd14d3
3 changed files with 27 additions and 27 deletions
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20
security/tomoyo/gc.c
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@@ -8,6 +8,21 @@
#include <linux/kthread.h>
#include <linux/slab.h>
/**
* tomoyo_memory_free - Free memory for elements.
*
* @ptr: Pointer to allocated memory.
*
* Returns nothing.
*
* Caller holds tomoyo_policy_lock mutex.
*/
static inline void tomoyo_memory_free(void *ptr)
{
tomoyo_memory_used[TOMOYO_MEMORY_POLICY] -= ksize(ptr);
kfree(ptr);
}
/* The list for "struct tomoyo_io_buffer". */
static LIST_HEAD(tomoyo_io_buffer_list);
/* Lock for protecting tomoyo_io_buffer_list. */
@@ -215,6 +230,8 @@ static void tomoyo_del_acl(struct list_head *element)
* @element: Pointer to "struct list_head".
*
* Returns nothing.
*
* Caller holds tomoyo_policy_lock mutex.
*/
static inline void tomoyo_del_domain(struct list_head *element)
{
@@ -416,12 +433,13 @@ static void tomoyo_try_to_gc(const enum tomoyo_policy_id type,
(element, typeof(struct tomoyo_domain_info),
list)->users))
goto reinject;
tomoyo_del_domain(element);
break;
case TOMOYO_MAX_POLICY:
break;
}
mutex_lock(&tomoyo_policy_lock);
if (type == TOMOYO_ID_DOMAIN)
tomoyo_del_domain(element);
tomoyo_memory_free(element);
return;
reinject: