[PATCH 12/32] perf tests: Check for mkstemp return value in dso-data test

[Arnaldo Carvalho de Melo]

From: Jiri Olsa <jolsa@xxxxxxxxxx>

Adding check for mkstemp return error value in dso-data test.

Reported-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1352508412-16914-13-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/tests/dso-data.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c
index b5198f5..5eaffa2 100644
--- a/tools/perf/tests/dso-data.c
+++ b/tools/perf/tests/dso-data.c
@@ -26,6 +26,10 @@ static char *test_file(int size)
 	unsigned char *buf;
 
 	fd = mkstemp(templ);
+	if (fd < 0) {
+		perror("mkstemp failed");
+		return NULL;
+	}
 
 	buf = malloc(size);
 	if (!buf) {
-- 
1.7.9.2.358.g22243

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