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>
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@ -26,6 +26,7 @@ static int sample_ustack(struct perf_sample *sample,
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map = map_groups__find(&thread->mg, MAP__FUNCTION, (u64) sp);
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if (!map) {
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pr_debug("failed to get stack map\n");
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free(buf);
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return -1;
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}
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