[PATCH] Wrong return value in hfs_fill_super

From: Nick Wellnhofer <wellnhofer@aevum.de>

hfs_fill_super in 2.6.5 returns -EIO instead of -EINVAL if a valid supe=
block isn't found.  So mount_block_root in init/do_mounts.c bails out before
trying to mount the root device as XFS.

fs/hfs/super.c

@@ -276,6 +276,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
 		if (!silent)
 			hfs_warn("VFS: Can't find a HFS filesystem on dev %s.\n",
 				hfs_mdb_name(sb));
+		res = -EINVAL;
 		goto bail2;
 	}