From: Jiri Olsa <[email protected]>

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

Reported-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Jiri Olsa <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 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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