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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2010-02-22 12:44:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-22 19:50:34 -0800
commit701188374b6f1ef9cf7e4dce4a2e69ef4c0012ac (patch)
treef716e33bde324c74553a8d0b2acfb70d8ca3f1cc /lib/idr.c
parent5a2d41961dd6815b874b5c0afec0ac96cd90eea4 (diff)
kernel/sys.c: fix missing rcu protection for sys_getpriority()
find_task_by_vpid() is not safe without rcu_read_lock(). 2.6.33-rc7 got RCU protection for sys_setpriority() but missed it for sys_getpriority(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Oleg Nesterov <oleg@redhat.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/idr.c')
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