From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Fri, 25 Jan 2013 09:57:08 +0000 (+0100)
Subject: perf tools: Fix possible double free on error
X-Git-Tag: v3.9-rc1~173^2~12^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=68c465ada54c730d653fc6fdc9dc0d5270b2de00;p=platform%2Fkernel%2Flinux-exynos.git

perf tools: Fix possible double free on error

Can only be triggered via CROSS_COMPILE env var.

Detected by cppcheck.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Link: http://lkml.kernel.org/r/36736865.AIlztKhDqN@storm
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

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"))