linux-kernel - [PATCH] perf tools: use PTR_ERR_OR

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Message-Id: <1536224648-6597-1-git-send-email-dingxiang@cmss.chinamobile.com>
Date:   Thu,  6 Sep 2018 17:04:08 +0800
From:   Ding Xiang <dingxiang@...s.chinamobile.com>
To:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf tools: use PTR_ERR_OR_ZERO inetead of return code

use PTR_ERR_OR_ZERO for bpf__setup_stdout return code

Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.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 47aac41..f9ae1a9 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)
-- 
1.9.1