linux-kernel - [PATCH 02/15] perf tests attr: Do not store failed events

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Date:   Mon,  3 Jul 2017 16:50:17 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Thomas Richter <tmricht@...ux.vnet.ibm.com>
Subject: [PATCH 02/15] perf tests attr: Do not store failed events

Do not mess up our temp space with files we don't
need - failed event open attempts.

Link: http://lkml.kernel.org/n/tip-gfmm0o2bidc41umvecbtsf36@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/tests/attr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index 0e77b2cf61ec..08b1d5ce9020 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -136,7 +136,7 @@ void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
 {
 	int errno_saved = errno;
 
-	if (store_event(attr, pid, cpu, fd, group_fd, flags)) {
+	if ((fd != -1) && store_event(attr, pid, cpu, fd, group_fd, flags)) {
 		pr_err("test attr FAILED");
 		exit(128);
 	}
-- 
2.9.4