linux-kernel - [tip:perf/core] perf bpf-loader: use PTR_ERR_OR

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Message-ID: <tip-e381d1c21eea186daed6834af444575e06841355@git.kernel.org>
Date:   Tue, 25 Sep 2018 02:30:38 -0700
From:   tip-bot for Ding Xiang <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, acme@...hat.com, mingo@...nel.org,
        linux-kernel@...r.kernel.org, dingxiang@...s.chinamobile.com,
        jolsa@...hat.com, namhyung@...nel.org,
        alexander.shishkin@...ux.intel.com, peterz@...radead.org,
        tglx@...utronix.de
Subject: [tip:perf/core] perf bpf-loader: use PTR_ERR_OR_ZERO inetead of
 return code

Commit-ID:  e381d1c21eea186daed6834af444575e06841355
Gitweb:     https://git.kernel.org/tip/e381d1c21eea186daed6834af444575e06841355
Author:     Ding Xiang <dingxiang@...s.chinamobile.com>
AuthorDate: Fri, 7 Sep 2018 09:34:42 +0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 19 Sep 2018 10:25:09 -0300

perf bpf-loader: use PTR_ERR_OR_ZERO inetead of return code

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

Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.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@...hat.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)