From b63cc445efb9d0f7f53e7ef1ceec128d26c0dbb8 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Sun, 25 Mar 2012 16:28:22 -0400
Subject: [PATCH] --- yaml --- r: 298345 b: refs/heads/master c:
 1e2dd2f73afdc810cc7400b7036232fbdc416eeb h: refs/heads/master i:   298343:
 5b5c97633d676af6a398aaa9e410170cd7568507 v: v3

---
 [refs]                         | 2 +-
 trunk/tools/perf/util/symbol.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

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;