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sys_getppid: add missing rcu_dereference
author
Mandeep Singh Baines
<msb@chromium.org>
Thu, 8 Dec 2011 22:34:44 +0000
(14:34 -0800)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Fri, 9 Dec 2011 15:50:29 +0000
(07:50 -0800)
In order to safely dereference current->real_parent inside an
rcu_read_lock, we need an rcu_dereference.
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/timer.c
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kernel/timer.c
Simple merge