diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 2ef8fde..306da50 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -934,6 +934,7 @@
 			 * be a result of power cut during erasure.
 			 */
 			ai->maybe_bad_peb_count += 1;
+		fallthrough;
 	case UBI_IO_BAD_HDR:
 		if (ec_err)
 			/*