[tip:perf/core] perf tests attr: Do not store failed events

[tip-bot for Jiri Olsa <tipbot@zytor.com>]

Commit-ID:  d78ada4a767a744cad5efa210b8acf57748b91d7
Gitweb:     http://git.kernel.org/tip/d78ada4a767a744cad5efa210b8acf57748b91d7
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Mon, 3 Jul 2017 16:50:17 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 18 Jul 2017 23:14:14 -0300

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.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Richter <tmricht@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20170703145030.12903-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 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 0e77b2c..08b1d5c 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);
 	}