From 763d7f5f2718f085bab5a9e63308349728f3ad12 Mon Sep 17 00:00:00 2001
From: Masanari Iida <standby24x7@gmail.com>
Date: Sun, 20 Apr 2014 00:16:41 +0900
Subject: [PATCH] perf tests x86: Fix memory leak in sample_ustack()
The buf is not freed, when kernel failed to get stack map
and return.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: http://lkml.kernel.org/r/1398091024-7901-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
---
tools/perf/arch/x86/tests/dwarf-unwind.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c
index b602ad93ce63..b8c0102c70c8 100644
--- a/tools/perf/arch/x86/tests/dwarf-unwind.c
+++ b/tools/perf/arch/x86/tests/dwarf-unwind.c
@@ -26,6 +26,7 @@ static int sample_ustack(struct perf_sample *sample,
map = map_groups__find(&thread->mg, MAP__FUNCTION, (u64) sp);
if (!map) {
pr_debug("failed to get stack map\n");
+ free(buf);
return -1;
}
--
2.34.1