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authorDmitry Monakhov <dmonakhov@openvz.org>2013-04-09 23:56:48 -0400
committerTheodore Ts'o <tytso@mit.edu>2013-04-09 23:56:48 -0400
commit171a7f21a76a0958c225b97c00a97a10390d40ee (patch)
tree2a5a685e1ee99d147ed766da60644c117520d00f /fs/ext4/inode.c
parent0b65349ebc24b80cf9f6654a1c4f66c8c796e9f1 (diff)
downloadblackbird-obmc-linux-171a7f21a76a0958c225b97c00a97a10390d40ee.tar.gz
blackbird-obmc-linux-171a7f21a76a0958c225b97c00a97a10390d40ee.zip
ext4: fix big-endian bug in metadata checksum calculations
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 629d67b62dfb..62189c84175f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -55,21 +55,21 @@ static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
__u16 csum_hi = 0;
__u32 csum;
- csum_lo = raw->i_checksum_lo;
+ csum_lo = le16_to_cpu(raw->i_checksum_lo);
raw->i_checksum_lo = 0;
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi)) {
- csum_hi = raw->i_checksum_hi;
+ csum_hi = le16_to_cpu(raw->i_checksum_hi);
raw->i_checksum_hi = 0;
}
csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)raw,
EXT4_INODE_SIZE(inode->i_sb));
- raw->i_checksum_lo = csum_lo;
+ raw->i_checksum_lo = cpu_to_le16(csum_lo);
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi))
- raw->i_checksum_hi = csum_hi;
+ raw->i_checksum_hi = cpu_to_le16(csum_hi);
return csum;
}
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