linux-kernel - [PATCH 17/21] perf tools: Fix possible double free on error

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Date:	Wed, 30 Jan 2013 11:46:58 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Thomas Jarosch <thomas.jarosch@...ra2net.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 17/21] perf tools: Fix possible double free on error

From: Thomas Jarosch <thomas.jarosch@...ra2net.com>

Can only be triggered via CROSS_COMPILE env var.

Detected by cppcheck.

Signed-off-by: Thomas Jarosch <thomas.jarosch@...ra2net.com>
Link: http://lkml.kernel.org/r/36736865.AIlztKhDqN@storm
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 3e975cb..aacef07 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -155,6 +155,7 @@ static int perf_session_env__lookup_binutils_path(struct perf_session_env *env,
 		if (lookup_path(buf))
 			goto out;
 		free(buf);
+		buf = NULL;
 	}
 
 	if (!strcmp(arch, "arm"))
-- 
1.8.1.1.361.gec3ae6e

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