diff options
Diffstat (limited to 'fs/ext4/extents_status.c')
| -rw-r--r-- | fs/ext4/extents_status.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 9f1380e05474..f768f4a98a2b 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -456,6 +456,9 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, es_debug("add [%u/%u) %llu %llx to extent status tree of inode %lu\n", lblk, len, pblk, status, inode->i_ino); + if (!len) + return 0; + BUG_ON(end < lblk); newes.es_lblk = lblk; @@ -649,6 +652,9 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, es_debug("remove [%u/%u) from extent status tree of inode %lu\n", lblk, len, inode->i_ino); + if (!len) + return err; + end = lblk + len - 1; BUG_ON(end < lblk); |