From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 10 Apr 2013 03:56:44 +0000 (-0400)
Subject: ext4: fix big-endian bug in extent migration code
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0b65349ebc24b80cf9f6654a1c4f66c8c796e9f1;p=openwrt%2Fstaging%2Fblogic.git

ext4: fix big-endian bug in extent migration code

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
---

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8b158ae2443b..34ba222f32fa 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4756,7 +4756,7 @@ int ext4_ind_migrate(struct inode *inode)
 	eh = ext_inode_hdr(inode);
 	ex  = EXT_FIRST_EXTENT(eh);
 	if (ext4_blocks_count(es) > EXT4_MAX_BLOCK_FILE_PHYS ||
-	    eh->eh_depth != 0 || eh->eh_entries > 1) {
+	    eh->eh_depth != 0 || le16_to_cpu(eh->eh_entries) > 1) {
 		ret = -EOPNOTSUPP;
 		goto errout;
 	}