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perf tests: Check for mkstemp return value in dso-data test
Adding check for mkstemp return error value in dso-data test. Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1352508412-16914-13-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -26,6 +26,10 @@ static char *test_file(int size)
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unsigned char *buf;
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fd = mkstemp(templ);
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if (fd < 0) {
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perror("mkstemp failed");
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return NULL;
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}
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buf = malloc(size);
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if (!buf) {
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