Re: [PATCH 1/2] perf inject: Call dso__put() even if dso->hit is set

From: Jiri Olsa
Date: Wed May 26 2021 - 08:13:52 EST


On Mon, May 24, 2021 at 03:50:50PM -0700, Namhyung Kim wrote:
> Otherwise it'll leak the refcount for the DSO. As dso__put() can
> handle a NULL dso pointer, we can just call it unconditionally.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

for the patchset

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka

> ---
> tools/perf/builtin-inject.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
> index 102cafb0c0b3..8bbaa46eb7e6 100644
> --- a/tools/perf/builtin-inject.c
> +++ b/tools/perf/builtin-inject.c
> @@ -383,8 +383,8 @@ static int perf_event__repipe_buildid_mmap(struct perf_tool *tool,
> if (dso && !dso->hit) {
> dso->hit = 1;
> dso__inject_build_id(dso, tool, machine, sample->cpumode, 0);
> - dso__put(dso);
> }
> + dso__put(dso);
>
> return perf_event__repipe(tool, event, sample, machine);
> }
> @@ -447,8 +447,8 @@ static int perf_event__repipe_buildid_mmap2(struct perf_tool *tool,
> dso->hit = 1;
> dso__inject_build_id(dso, tool, machine, sample->cpumode,
> event->mmap2.flags);
> - dso__put(dso);
> }
> + dso__put(dso);
>
> perf_event__repipe(tool, event, sample, machine);
>
> --
> 2.31.1.818.g46aad6cb9e-goog
>