From 282559cd36a14dd7db230f5a79ecfbfb67dfe967 Mon Sep 17 00:00:00 2001
From: Mitch Harder <mitch.harder@sabayonlinux.org>
Date: Thu, 26 Jan 2012 15:01:11 -0500
Subject: [PATCH] --- yaml --- r: 286931 b: refs/heads/master c:
 8bedd51b6121c4607784d75f852828d25d119c52 h: refs/heads/master i:   286929:
 c44af2b7b7f873b07ce5fd8e65186f28bd2e90e0   286927:
 ccc1d9e1a8c20d202a84ae21ab212bef5f075860 v: v3

---
 [refs]                     | 2 +-
 trunk/fs/btrfs/extent_io.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 56cb26e892b1..e877ee898d83 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6dd70ce4eb7429c2ba6dd9fa46f78a0a2a254038
+refs/heads/master: 8bedd51b6121c4607784d75f852828d25d119c52
diff --git a/trunk/fs/btrfs/extent_io.c b/trunk/fs/btrfs/extent_io.c
index 9d09a4f81875..fcf77e1ded40 100644
--- a/trunk/fs/btrfs/extent_io.c
+++ b/trunk/fs/btrfs/extent_io.c
@@ -3909,6 +3909,8 @@ int extent_range_uptodate(struct extent_io_tree *tree,
 	while (start <= end) {
 		index = start >> PAGE_CACHE_SHIFT;
 		page = find_get_page(tree->mapping, index);
+		if (!page)
+			return 1;
 		uptodate = PageUptodate(page);
 		page_cache_release(page);
 		if (!uptodate) {