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tomoyo: fix memory leak in tomoyo_commit_ok()

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When memory used for policy exceeds the quota, tomoyo_memory_ok() return false.
In this case, tomoyo_commit_ok() must call kfree() before returning NULL.
This bug exists since 2.6.35.

Signed-off-by: Xiaochen Wang <wangxiaochen0@gmail.com>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Xiaochen Wang 2011-03-31 00:27:32 +09:00 committed by James Morris
parent 93b9c98b34
commit cfc64fd91f
1 changed files with 1 additions and 0 deletions
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security/tomoyo/memory.c
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@ -75,6 +75,7 @@ void *tomoyo_commit_ok(void *data, const unsigned int size)
memset(data, 0, size); memset(data, 0, size);
return ptr; return ptr;
} }
kfree(ptr);
return NULL; return NULL;
} }