buf is not freed, when kernel failed to get stack map
and return.
Signed-off-by: Masanari Iida <standby2...@gmail.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 b602ad9..68f2711 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");
+ kfree(buf);
return -1;
}
--
1.9.2.468.g3f0c02a
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