md/bitmap: change a 'goto' to a normal 'if' construct.

The use of a goto makes the control flow more obscure here.

So make it a normal:
  if (x) {
     Y;
  }

No functional change.
Signed-off-by: NeilBrown <neilb@suse.de>

drivers/md/bitmap.c

@@ -633,26 +633,28 @@ static int bitmap_read_sb(struct bitmap *bitmap)
 	/* keep the array size field of the bitmap superblock up to date */
 	sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors);
 
-	if (!bitmap->mddev->persistent)
-		goto success;
-
+	if (bitmap->mddev->persistent) {
 		/*
-	 * if we have a persistent array superblock, compare the
+		 * We have a persistent array superblock, so compare the
 		 * bitmap's UUID and event counter to the mddev's
 		 */
 		if (memcmp(sb->uuid, bitmap->mddev->uuid, 16)) {
-		printk(KERN_INFO "%s: bitmap superblock UUID mismatch\n",
+			printk(KERN_INFO
+			       "%s: bitmap superblock UUID mismatch\n",
 			       bmname(bitmap));
 			goto out;
 		}
 		events = le64_to_cpu(sb->events);
 		if (events < bitmap->mddev->events) {
-		printk(KERN_INFO "%s: bitmap file is out of date (%llu < %llu) "
-			"-- forcing full recovery\n", bmname(bitmap), events,
+			printk(KERN_INFO
+			       "%s: bitmap file is out of date (%llu < %llu) "
+			       "-- forcing full recovery\n",
+			       bmname(bitmap), events,
 			       (unsigned long long) bitmap->mddev->events);
 			sb->state |= cpu_to_le32(BITMAP_STALE);
 		}
-success:
+	}
+
 	/* assign fields using values from superblock */
 	bitmap->mddev->bitmap_info.chunksize = chunksize;
 	bitmap->mddev->bitmap_info.daemon_sleep = daemon_sleep;