perf tests x86: Fix memory leak in sample_ustack()

[deliverable/linux.git] / tools / perf / arch / x86 / tests / dwarf-unwind.c

diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c
index b602ad93ce630ae3f611ee74f0bb6277c367a09b..b8c0102c70c8d31c5b9b5447480962251455530e 100644 (file)
--- 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;
        }