[tip:perf/core] perf symbols: Fix a memory leak in vmlinux_path__init()

[tip-bot for Namhyung Kim]

Commit-ID:  e96c674fe2c228fd5c16fd7a7607c60dea4cdaa2
Gitweb:     http://git.kernel.org/tip/e96c674fe2c228fd5c16fd7a7607c60dea4cdaa2
Author:     Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Tue, 12 Aug 2014 15:40:34 +0900
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 13 Aug 2014 16:30:22 -0300

perf symbols: Fix a memory leak in vmlinux_path__init()

When uname() failed, it should free vmlinux_path.

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1407825645-24586-3-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/symbol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 581c568..009a9d0 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1772,7 +1772,7 @@ static int vmlinux_path__init(void)
 		return 0;
 
 	if (uname(&uts) < 0)
-		return -1;
+		goto out_fail;
 
 	snprintf(bf, sizeof(bf), "/boot/vmlinux-%s", uts.release);
 	vmlinux_path[vmlinux_path__nr_entries] = strdup(bf);
--
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