switch open-coded instances of d_make_root() to new helper

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index ec25d09..f636f6b 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1164,10 +1164,10 @@
 		ret = PTR_ERR(inode);
 		goto failed;
 	}
-	sb->s_root = d_alloc_root(inode);
+	sb->s_root = d_make_root(inode);
 	if (!sb->s_root) {
 		ret = -ENOMEM;
-		goto dalloc_failed;
+		goto failed;
 	}
 
 	ufs_setup_cstotal(sb);
@@ -1181,8 +1181,6 @@
 	UFSD("EXIT\n");
 	return 0;
 
-dalloc_failed:
-	iput(inode);
 failed:
 	if (ubh)
 		ubh_brelse_uspi (uspi);