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tomoyo: add missing rcu_dereference()

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Adds a missed rcu_dereference() around real_parent.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Kees Cook 2011-12-08 16:30:42 -08:00 committed by James Morris
parent 2053c4727c
commit bb80d880ad
1 changed files with 1 additions and 1 deletions
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security/tomoyo/common.h
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@ -1122,7 +1122,7 @@ static inline pid_t tomoyo_sys_getppid(void)
{
pid_t pid;
rcu_read_lock();
pid = task_tgid_vnr(current->real_parent);
pid = task_tgid_vnr(rcu_dereference(current->real_parent));
rcu_read_unlock();
return pid;
}