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-rw-r--r--fs/ext4/xattr.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index e56c9ed7d6e..2cdb98d6298 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -127,19 +127,16 @@ static __le32 ext4_xattr_block_csum(struct inode *inode,
127 struct ext4_xattr_header *hdr) 127 struct ext4_xattr_header *hdr)
128{ 128{
129 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); 129 struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
130 struct ext4_inode_info *ei = EXT4_I(inode);
131 __u32 csum, old; 130 __u32 csum, old;
132 131
133 old = hdr->h_checksum; 132 old = hdr->h_checksum;
134 hdr->h_checksum = 0; 133 hdr->h_checksum = 0;
135 if (le32_to_cpu(hdr->h_refcount) != 1) { 134 block_nr = cpu_to_le64(block_nr);
136 block_nr = cpu_to_le64(block_nr); 135 csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&block_nr,
137 csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&block_nr, 136 sizeof(block_nr));
138 sizeof(block_nr));
139 } else
140 csum = ei->i_csum_seed;
141 csum = ext4_chksum(sbi, csum, (__u8 *)hdr, 137 csum = ext4_chksum(sbi, csum, (__u8 *)hdr,
142 EXT4_BLOCK_SIZE(inode->i_sb)); 138 EXT4_BLOCK_SIZE(inode->i_sb));
139
143 hdr->h_checksum = old; 140 hdr->h_checksum = old;
144 return cpu_to_le32(csum); 141 return cpu_to_le32(csum);
145} 142}