diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
index cfbf9617e465..ebb280a14325 100644
--- a/drivers/md/persistent-data/dm-space-map-disk.c
+++ b/drivers/md/persistent-data/dm-space-map-disk.c
@@ -78,7 +78,9 @@ static int sm_disk_count_is_more_than_one(struct dm_space_map *sm, dm_block_t b,
 	if (r)
 		return r;
 
-	return count > 1;
+	*result = count > 1;
+
+	return 0;
 }
 
 static int sm_disk_set_count(struct dm_space_map *sm, dm_block_t b,