[PATCH] d_alloc_root() fixes: coda

 - unchecked result of d_alloc_root() leading to oops in fs/super.c

fs/coda/inode.c

@@ -195,6 +195,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
 	printk("coda_read_super: rootinode is %ld dev %s\n", 
 	       root->i_ino, root->i_sb->s_id);
 	sb->s_root = d_alloc_root(root);
+	if (!sb->s_root)
+		goto error;
         return 0;
 
  error: