1 files changed, 4 insertions, 0 deletions

diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c
index b5198f52c24a..5eaffa2de9c5 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) {