From: Mandeep Singh Baines <msb@chromium.org>
Date: Thu, 8 Dec 2011 22:34:44 +0000 (-0800)
Subject: sys_getppid: add missing rcu_dereference
X-Git-Tag: v3.2-rc5~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=031af165b1cd295ef04d2bfbcae9bc3cb9180735;p=pandora-kernel.git

sys_getppid: add missing rcu_dereference

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>
---

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