Patch Upstream: ext4: fix big-endian bug in extent migration code

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commit: 0b65349ebc24b80cf9f6654a1c4f66c8c796e9f1
From: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
Date: Tue, 9 Apr 2013 23:56:44 -0400
Subject: ext4: fix big-endian bug in extent migration code

Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
 fs/ext4/extents.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8b158ae..34ba222 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;
 	}
-- 
1.7.10.4
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