diff options
| -rw-r--r-- | fs/ext4/migrate.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index 6d8b0c917364..6163ad21cb0e 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -620,7 +620,7 @@ int ext4_ind_migrate(struct inode *inode) struct ext4_inode_info *ei = EXT4_I(inode); struct ext4_extent *ex; unsigned int i, len; - ext4_lblk_t end; + ext4_lblk_t start, end; ext4_fsblk_t blk; handle_t *handle; int ret; @@ -659,11 +659,12 @@ int ext4_ind_migrate(struct inode *inode) goto errout; } if (eh->eh_entries == 0) - blk = len = 0; + blk = len = start = end = 0; else { len = le16_to_cpu(ex->ee_len); blk = ext4_ext_pblock(ex); - end = le32_to_cpu(ex->ee_block) + len - 1; + start = le32_to_cpu(ex->ee_block); + end = start + len - 1; if (end >= EXT4_NDIR_BLOCKS) { ret = -EOPNOTSUPP; goto errout; @@ -672,7 +673,7 @@ int ext4_ind_migrate(struct inode *inode) ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS); memset(ei->i_data, 0, sizeof(ei->i_data)); - for (i=0; i < len; i++) + for (i = start; i <= end; i++) ei->i_data[i] = cpu_to_le32(blk++); ext4_mark_inode_dirty(handle, inode); errout: |