From d5a0d4f732af3438e592efab4cb80076d1dd81b5 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sat, 2 Aug 2008 18:51:06 -0400
Subject: [PATCH] ext4: fix ext4_da_write_begin error path

ext4_da_write_begin needs to call journal_stop before returning,
if the page allocation fails.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index efe8caa3811c..37f834bc7cd6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2280,8 +2280,11 @@ retry:
 	}
 
 	page = __grab_cache_page(mapping, index);
-	if (!page)
-		return -ENOMEM;
+	if (!page) {
+		ext4_journal_stop(handle);
+		ret = -ENOMEM;
+		goto out;
+	}
 	*pagep = page;
 
 	ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-- 
2.20.1