f2fs: go out for insert_inode_locked failure

We should not call unlock_new_inode when insert_inode_locked failed.
Reviewed-by: NChao Yu <chao2.yu@samsung.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/namei.c

@@ -53,7 +53,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	if (err) {
 		err = -EINVAL;
 		nid_free = true;
-		goto out;
+		goto fail;
 	}
 
 	/* If the directory encrypted, then we should encrypt the inode. */
@@ -75,9 +75,6 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	mark_inode_dirty(inode);
 	return inode;
 
-out:
-	clear_nlink(inode);
-	unlock_new_inode(inode);
 fail:
 	trace_f2fs_new_inode(inode, err);
 	make_bad_inode(inode);