From: Namhyung Kim <namhyung.kim@lge.com>
Date: Thu, 21 Mar 2013 07:18:48 +0000 (+0900)
Subject: perf tools: Handle failure case in trace_report()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~119^2~15^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dce2ce3cc40ece2562a5a83e879b4bfb451476c;p=pandora-kernel.git

perf tools: Handle failure case in trace_report()

If pevent allocation in read_trace_init() fails, trace_report() will
return -1 and *ppevent is set to NULL.  Its callers should check this
case and handle it properly.

This is also a preparation for the removal of *die() calls.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1363850332-25297-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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