diff --git a/drivers/net/ethernet/nvidia/nvethernet/ether_linux.h b/drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
index 0d1f5883..f0705c8b 100644
--- a/drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
+++ b/drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
@@ -307,7 +307,6 @@ static inline int ether_avail_txdesc_cnt(struct osi_dma_priv_data *osi_dma,
 #define ETHER_VM_IRQ_RX_CHAN_MASK(x)	BIT(((x) * 2U) + 1U)
 
 /* MDIO clause 45 bit */
-#define MII_ADDR_C45		OSI_BIT(30)
 #define MII_DEVADDR_C45_SHIFT	16
 
 /**
diff --git a/drivers/net/ethernet/nvidia/nvethernet/selftests.c b/drivers/net/ethernet/nvidia/nvethernet/selftests.c
index ae162a16..9fbdbe33 100644
--- a/drivers/net/ethernet/nvidia/nvethernet/selftests.c
+++ b/drivers/net/ethernet/nvidia/nvethernet/selftests.c
@@ -402,6 +402,7 @@ void ether_selftest_run(struct net_device *dev,
 			if (!ret)
 				break;
 		/* Fallthrough */
+			fallthrough;
 		case ETHER_LOOPBACK_MAC:
 			if (pdata->osi_core) {
 				ioctl_data.cmd = OSI_CMD_MAC_LB;
@@ -434,6 +435,7 @@ void ether_selftest_run(struct net_device *dev,
 			if (!ret)
 				break;
 		/* Fallthrough */
+			fallthrough;
 		case ETHER_LOOPBACK_MAC:
 			if (pdata->osi_core) {
 				ioctl_data.cmd = OSI_CMD_MAC_LB;