diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 3f145e4c6c083f2a2523499fa2f47ef175619908..59dbdbb5feff8573826fb7c78c5a8b229b7b699d 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -847,6 +847,7 @@ static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
 	switch (cmd) {
 	case SIOCDEVPRIVATE:
 		data[0] = dev->phy;
+		/* fall through */
 	case SIOCDEVPRIVATE + 1:
 		read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
 		break;