linux-kernel - [tip:perf/urgent] perf report: Fix segmentation fault when running with '-g none'

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Date:	Wed, 27 Jan 2010 13:16:59 GMT
From:	tip-bot for Yong Wang <yong.y.wang@...ux.intel.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	yong.y.wang@...el.com, fweisbec@...il.com,
	yong.y.wang@...ux.intel.com, austin.zhang@...el.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/urgent] perf report: Fix segmentation fault when running with '-g none'

Commit-ID:  b7ae11b34bf042cfb4dbaa3b63b2d5d6d33d4cc4
Gitweb:     http://git.kernel.org/tip/b7ae11b34bf042cfb4dbaa3b63b2d5d6d33d4cc4
Author:     Yong Wang <yong.y.wang@...ux.intel.com>
AuthorDate: Fri, 22 Jan 2010 09:47:50 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 27 Jan 2010 11:01:43 +0100

perf report: Fix segmentation fault when running with '-g none'

Segmentation fault occurs when running perf report with '-g
none'.

Reported-by: Austin Zhang <austin.zhang@...el.com>
Signed-off-by: Yong Wang <yong.y.wang@...el.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <20100122014750.GA4111@...ng-moblin2.bj.intel.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/builtin-report.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index db10c0e..860f1ee 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -269,7 +269,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
 
 	else if (!strncmp(tok, "none", strlen(arg))) {
 		callchain_param.mode = CHAIN_NONE;
-		symbol_conf.use_callchain = true;
+		symbol_conf.use_callchain = false;
 
 		return 0;
 	}
--
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