affs: fix missing unlocks in affs_remove_link
In two error cases affs_remove_link doesn't call affs_unlock_dir to
release the i_hash_lock semaphore.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 8055730..7d0f0a3 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -179,14 +179,18 @@
affs_lock_dir(dir);
affs_fix_dcache(dentry, link_ino);
retval = affs_remove_hash(dir, link_bh);
- if (retval)
+ if (retval) {
+ affs_unlock_dir(dir);
goto done;
+ }
mark_buffer_dirty_inode(link_bh, inode);
memcpy(AFFS_TAIL(sb, bh)->name, AFFS_TAIL(sb, link_bh)->name, 32);
retval = affs_insert_hash(dir, bh);
- if (retval)
+ if (retval) {
+ affs_unlock_dir(dir);
goto done;
+ }
mark_buffer_dirty_inode(bh, inode);
affs_unlock_dir(dir);