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-rw-r--r--fs/ext4/super.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 93a7e746f42..e3b3483b600 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3040,8 +3040,14 @@ static int ext4_dquot_drop(struct inode *inode)
/* We may delete quota structure so we need to reserve enough blocks */
handle = ext4_journal_start(inode, 2*EXT4_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (IS_ERR(handle))
+ if (IS_ERR(handle)) {
+ /*
+ * We call dquot_drop() anyway to at least release references
+ * to quota structures so that umount does not hang.
+ */
+ dquot_drop(inode);
return PTR_ERR(handle);
+ }
ret = dquot_drop(inode);
err = ext4_journal_stop(handle);
if (!ret)