From b924c7433964ca4b9cf61c4f71d79c3304e03fc6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Tue, 10 Nov 2009 09:01:43 +0000
Subject: [PATCH] --- yaml --- r: 168551 b: refs/heads/master c:
 4eb3991c5def39bcf553c14ebe2618fcb47b627f h: refs/heads/master i:   168549:
 1f1f724af2e158139263072b034d57ce665dd3cc   168547:
 2d015c92a23d188b80a89752fdb5a942b4570681   168543:
 00505fd7fbb42d0cf6c3fb4f4d3ab16851533153 v: v3

---
 [refs]                      | 2 +-
 trunk/fs/btrfs/extent_map.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 0f504491d67f..d53743997d43 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: df66916e71231e9f2377cac9c5c1e2d190f9a427
+refs/heads/master: 4eb3991c5def39bcf553c14ebe2618fcb47b627f
diff --git a/trunk/fs/btrfs/extent_map.c b/trunk/fs/btrfs/extent_map.c
index 2c726b7b9faa..ccbdcb54ec5d 100644
--- a/trunk/fs/btrfs/extent_map.c
+++ b/trunk/fs/btrfs/extent_map.c
@@ -208,7 +208,7 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len)
 	write_lock(&tree->lock);
 	em = lookup_extent_mapping(tree, start, len);
 
-	WARN_ON(em->start != start || !em);
+	WARN_ON(!em || em->start != start);
 
 	if (!em)
 		goto out;