diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 03e19c1965cc031885e8a288ea092b10f3fea353..a6bb5863e8f38fbe6856e782523b49410ede777a 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -245,6 +245,7 @@ static int blktrans_ioctl(struct block_device *bdev, fmode_t mode,
 	switch (cmd) {
 	case BLKFLSBUF:
 		ret = dev->tr->flush ? dev->tr->flush(dev) : 0;
+		break;
 	default:
 		ret = -ENOTTY;
 	}