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    Subject[PATCH 06/13] perf bpf-loader: use PTR_ERR_OR_ZERO inetead of return code
    Date
    From: Ding Xiang <dingxiang@cmss.chinamobile.com>

    Use PTR_ERR_OR_ZERO() in bpf__setup_stdout() return code instead of open
    coded equivalent.

    Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Link: http://lkml.kernel.org/r/1536284082-23466-2-git-send-email-dingxiang@cmss.chinamobile.com
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/bpf-loader.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
    index 47aac41349a2..f9ae1a993806 100644
    --- a/tools/perf/util/bpf-loader.c
    +++ b/tools/perf/util/bpf-loader.c
    @@ -1615,7 +1615,7 @@ struct perf_evsel *bpf__setup_output_event(struct perf_evlist *evlist, const cha
    int bpf__setup_stdout(struct perf_evlist *evlist)
    {
    struct perf_evsel *evsel = bpf__setup_output_event(evlist, "__bpf_stdout__");
    - return IS_ERR(evsel) ? PTR_ERR(evsel) : 0;
    + return PTR_ERR_OR_ZERO(evsel);
    }

    #define ERRNO_OFFSET(e) ((e) - __BPF_LOADER_ERRNO__START)
    --
    2.14.4
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