diff --git a/[refs] b/[refs]
index d0cf9001e15d..6ebd0afa5c60 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e2a5f10fb550835e199a3b56a80ed88232188e9
+refs/heads/master: 47fbe53bef3b219a365ebf3eca949d6cd4c5291c
diff --git a/trunk/tools/perf/util/session.c b/trunk/tools/perf/util/session.c
index 85c1e6b76f0a..0f4555ce9063 100644
--- a/trunk/tools/perf/util/session.c
+++ b/trunk/tools/perf/util/session.c
@@ -1333,6 +1333,10 @@ int perf_session__cpu_bitmap(struct perf_session *session,
 	}
 
 	map = cpu_map__new(cpu_list);
+	if (map == NULL) {
+		pr_err("Invalid cpu_list\n");
+		return -1;
+	}
 
 	for (i = 0; i < map->nr; i++) {
 		int cpu = map->map[i];