diff --git a/[refs] b/[refs]
index 07d832363182..9e2f1581fd98 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3738d40ec51317eb8390218a33513ca35656f107
+refs/heads/master: 1e2dd2f73afdc810cc7400b7036232fbdc416eeb
diff --git a/trunk/tools/perf/util/symbol.c b/trunk/tools/perf/util/symbol.c
index d9e995bf8b6f..c0a028c3ebaf 100644
--- a/trunk/tools/perf/util/symbol.c
+++ b/trunk/tools/perf/util/symbol.c
@@ -50,6 +50,8 @@ struct symbol_conf symbol_conf = {
 
 int dso__name_len(const struct dso *dso)
 {
+	if (!dso)
+		return strlen("[unknown]");
 	if (verbose)
 		return dso->long_name_len;