Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/ethernet/packetengines/Kconfig b/drivers/net/ethernet/packetengines/Kconfig
index 1df28f2..ead3750 100644
--- a/drivers/net/ethernet/packetengines/Kconfig
+++ b/drivers/net/ethernet/packetengines/Kconfig
@@ -1,9 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Packet engine device configuration
+# Packet Engines device configuration
 #
 
 config NET_VENDOR_PACKET_ENGINES
-	bool "Packet Engine devices"
+	bool "Packet Engines devices"
 	default y
 	depends on PCI
 	---help---
@@ -11,7 +12,7 @@
 
 	  Note that the answer to this question doesn't directly affect the
 	  kernel: saying N will just cause the configurator to skip all
-	  the questions about packet engine devices. If you say Y, you will
+	  the questions about Packet Engines devices. If you say Y, you will
 	  be asked for your specific card in the following questions.
 
 if NET_VENDOR_PACKET_ENGINES
diff --git a/drivers/net/ethernet/packetengines/Makefile b/drivers/net/ethernet/packetengines/Makefile
index 995ccd0..cf054b7 100644
--- a/drivers/net/ethernet/packetengines/Makefile
+++ b/drivers/net/ethernet/packetengines/Makefile
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Makefile for the Packet Engine network device drivers.
+# Makefile for the Packet Engines network device drivers.
 #
 
 obj-$(CONFIG_HAMACHI) += hamachi.o
diff --git a/drivers/net/ethernet/packetengines/hamachi.c b/drivers/net/ethernet/packetengines/hamachi.c
index c9529c2..eee883a 100644
--- a/drivers/net/ethernet/packetengines/hamachi.c
+++ b/drivers/net/ethernet/packetengines/hamachi.c
@@ -1337,7 +1337,7 @@
 							leXX_to_cpu(hmp->tx_ring[entry].addr),
 							skb->len,
 							PCI_DMA_TODEVICE);
-						dev_kfree_skb_irq(skb);
+						dev_consume_skb_irq(skb);
 						hmp->tx_skbuff[entry] = NULL;
 					}
 					hmp->tx_ring[entry].status_n_length = 0;
diff --git a/drivers/net/ethernet/packetengines/yellowfin.c b/drivers/net/ethernet/packetengines/yellowfin.c
index 54224d1..5113ee6 100644
--- a/drivers/net/ethernet/packetengines/yellowfin.c
+++ b/drivers/net/ethernet/packetengines/yellowfin.c
@@ -925,7 +925,7 @@
 			/* Free the original skb. */
 			pci_unmap_single(yp->pci_dev, le32_to_cpu(yp->tx_ring[entry].addr),
 				skb->len, PCI_DMA_TODEVICE);
-			dev_kfree_skb_irq(skb);
+			dev_consume_skb_irq(skb);
 			yp->tx_skbuff[entry] = NULL;
 		}
 		if (yp->tx_full &&
@@ -983,7 +983,7 @@
 				pci_unmap_single(yp->pci_dev,
 					yp->tx_ring[entry<<1].addr, skb->len,
 					PCI_DMA_TODEVICE);
-				dev_kfree_skb_irq(skb);
+				dev_consume_skb_irq(skb);
 				yp->tx_skbuff[entry] = 0;
 				/* Mark status as empty. */
 				yp->tx_status[entry].tx_errs = 0;
@@ -1258,8 +1258,7 @@
 		yp->rx_skbuff[i] = NULL;
 	}
 	for (i = 0; i < TX_RING_SIZE; i++) {
-		if (yp->tx_skbuff[i])
-			dev_kfree_skb(yp->tx_skbuff[i]);
+		dev_kfree_skb(yp->tx_skbuff[i]);
 		yp->tx_skbuff[i] = NULL;
 	}