From: Namhyung Kim <namhyung.kim@lge.com>
Date: Fri, 20 Jan 2012 01:12:45 +0000 (+0900)
Subject: perf: Don't call release_callchain_buffers() if allocation fails
X-Git-Tag: v3.3-rc2~25^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd45c15f13e754f3c106427e857310f3e0813951;p=pandora-kernel.git

perf: Don't call release_callchain_buffers() if allocation fails

When alloc_callchain_buffers() fails, it frees all of
entries before return. In addition, calling the
release_callchain_buffers() will cause a NULL pointer
dereference since callchain_cpu_entries is not set.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/1327021966-27688-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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