diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 518415d0c122783f87a54303a4f145daa8d6985b..5839ad1e25a217612a52b9d53e6b1868a4cd95d7 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3204,28 +3204,23 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
 	physical = map->stripes[num].physical;
 	offset = 0;
 	nstripes = div64_u64(length, map->stripe_len);
+	mirror_num = 1;
+	increment = map->stripe_len;
 	if (map->type & BTRFS_BLOCK_GROUP_RAID0) {
 		offset = map->stripe_len * num;
 		increment = map->stripe_len * map->num_stripes;
-		mirror_num = 1;
 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID10) {
 		int factor = map->num_stripes / map->sub_stripes;
 		offset = map->stripe_len * (num / map->sub_stripes);
 		increment = map->stripe_len * factor;
 		mirror_num = num % map->sub_stripes + 1;
 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID1_MASK) {
-		increment = map->stripe_len;
 		mirror_num = num % map->num_stripes + 1;
 	} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {
-		increment = map->stripe_len;
 		mirror_num = num % map->num_stripes + 1;
 	} else if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {
 		get_raid56_logic_offset(physical, num, map, &offset, NULL);
 		increment = map->stripe_len * nr_data_stripes(map);
-		mirror_num = 1;
-	} else {
-		increment = map->stripe_len;
-		mirror_num = 1;
 	}
 
 	path = btrfs_alloc_path();