[tip:perf/urgent] perf tools: Fix a memory leak in __open_dso()

[tip-bot for Namhyung Kim <tipbot@zytor.com>]

Commit-ID:  44ad6b8852529eb39066edbedc027a6901da6803
Gitweb:     http://git.kernel.org/tip/44ad6b8852529eb39066edbedc027a6901da6803
Author:     Namhyung Kim <namhyung@kernel.org>
AuthorDate: Thu, 8 Jun 2017 16:31:02 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 8 Jun 2017 15:38:47 -0300

perf tools: Fix a memory leak in __open_dso()

The 'name' variable should be freed on the error path.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: kernel-team@lge.com
Link: http://lkml.kernel.org/r/20170608073109.30699-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/dso.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index b27d127..1f29e4f 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -412,8 +412,10 @@ static int __open_dso(struct dso *dso, struct machine *machine)
 		return -EINVAL;
 	}
 
-	if (!is_regular_file(name))
+	if (!is_regular_file(name)) {
+		free(name);
 		return -EINVAL;
+	}
 
 	fd = do_open(name);
 	free(name);