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SubjectRe: [PATCH] perf test x86: Fit memory leak in sample_ustack()
On Sun, Apr 20, 2014 at 12:16:41AM +0900, Masanari Iida wrote:
> buf is not freed, when kernel failed to get stack map
> and return.
>
> Signed-off-by: Masanari Iida <standby24x7@gmail.com>

Acked-by: Jiri Olsa <jolsa@redhat.com>

thanks,
jirka

> ---
> 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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