From 45dac7076a3a14c8c4af7be188454da7151d3c0b Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 8 Sep 2011 10:22:01 +0800
Subject: [PATCH] --- yaml --- r: 274666 b: refs/heads/master c:
 560f7d75457f86a43970aa413e334e394082dce4 h: refs/heads/master v: v3

---
 [refs]                 | 2 +-
 trunk/fs/btrfs/inode.c | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index e7d1aac1e2ee..7badc3c9afa5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a05a9bb18ae0abec0b513b5fde876c47905fa13e
+refs/heads/master: 560f7d75457f86a43970aa413e334e394082dce4
diff --git a/trunk/fs/btrfs/inode.c b/trunk/fs/btrfs/inode.c
index f12747c9447b..81d4f68f35c9 100644
--- a/trunk/fs/btrfs/inode.c
+++ b/trunk/fs/btrfs/inode.c
@@ -393,7 +393,10 @@ static noinline int compress_file_range(struct inode *inode,
 	     (BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS))) {
 		WARN_ON(pages);
 		pages = kzalloc(sizeof(struct page *) * nr_pages, GFP_NOFS);
-		BUG_ON(!pages);
+		if (!pages) {
+			/* just bail out to the uncompressed code */
+			goto cont;
+		}
 
 		if (BTRFS_I(inode)->force_compress)
 			compress_type = BTRFS_I(inode)->force_compress;
@@ -424,6 +427,7 @@ static noinline int compress_file_range(struct inode *inode,
 			will_compress = 1;
 		}
 	}
+cont:
 	if (start == 0) {
 		trans = btrfs_join_transaction(root);
 		BUG_ON(IS_ERR(trans));