[Powertop] [PATCH 2/2] perf: Check return value of strdup

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The strdup() can return NULL so that the result should be checked.

Signed-off-by: Namhyung Kim <namhyung(a)gmail.com>
---
 src/perf/perf.cpp |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/perf/perf.cpp b/src/perf/perf.cpp
index c8ba7a8..35b4017 100644
--- a/src/perf/perf.cpp
+++ b/src/perf/perf.cpp
@@ -145,6 +145,11 @@ void perf_event::set_event_name(const char *event_name)
 	if (name)
 		free(name);
 	name =3D strdup(event_name);
+	if (!name) {
+		fprintf(stderr, "failed to allocate event name\n");
+		return;
+	}
+
 	char *c;
 =

 	c =3D strchr(name, ':');
-- =

1.7.9.2


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