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);