diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 12a2b1e3f1e3..f48895a9b165 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3407,7 +3407,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx,
 	const u32 max_length = SZ_64K;
 	struct btrfs_path path = { 0 };
 	u64 cur_logical = logical_start;
-	int ret;
+	int ret = 0;
 
 	/* The range must be inside the bg */
 	ASSERT(logical_start >= bg->start && logical_end <= bg->start + bg->length);