From: Luck, Tony <tony.luck@intel.com>
Date: Wed, 9 Dec 2009 22:29:36 +0000 (-0800)
Subject: lockdep: Avoid out of bounds array reference in save_trace()
X-Git-Tag: v2.6.33-rc1~303^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea5b41f9d595be354f7a50e56b28c2d72e6e88a5;p=pandora-kernel.git

lockdep: Avoid out of bounds array reference in save_trace()

ia64 found this the hard way (because we currently have a stub
for save_stack_trace() that does nothing). But it would be a
good idea to  be cautious in case a real save_stack_trace()
bailed out with an error before it set trace->nr_entries.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: luming.yu@intel.com
LKML-Reference: <4b2024d085302c2a2@agluck-desktop.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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