TOMOYO: Use mutex_lock_interruptible.
authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Wed, 5 May 2010 15:18:15 +0000 (00:18 +0900)
committerJames Morris <jmorris@namei.org>
Thu, 6 May 2010 03:19:18 +0000 (13:19 +1000)
commit292823814261e085cdcef06b6b691e6c2563fbd4
tree8c1eaebcf8f698ea13ac2a9291b9769abde1905e
parent2b9e4688fad8867b6e918610f396af3ab9246898
TOMOYO: Use mutex_lock_interruptible.

Some of TOMOYO's functions may sleep after mutex_lock(). If OOM-killer selected
a process which is waiting at mutex_lock(), the to-be-killed process can't be
killed. Thus, replace mutex_lock() with mutex_lock_interruptible() so that the
to-be-killed process can immediately return from TOMOYO's functions.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
security/tomoyo/common.c
security/tomoyo/common.h
security/tomoyo/domain.c
security/tomoyo/file.c
security/tomoyo/gc.c
security/tomoyo/realpath.c