5 files changed, 35 insertions, 36 deletions

diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c
index b9b9d35494..53b396fd19 100644
--- a/drivers/net/ethernet/intel/igb/e1000_i210.c
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -5,9 +5,9 @@
  * e1000_i211
  */
 
-#include <linux/types.h>
+#include <linux/bitfield.h>
 #include <linux/if_ether.h>
-
+#include <linux/types.h>
 #include "e1000_hw.h"
 #include "e1000_i210.h"
 
diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.c b/drivers/net/ethernet/intel/igb/e1000_nvm.c
index fa136e6e93..0da57e8959 100644
--- a/drivers/net/ethernet/intel/igb/e1000_nvm.c
+++ b/drivers/net/ethernet/intel/igb/e1000_nvm.c
@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2007 - 2018 Intel Corporation. */
 
-#include <linux/if_ether.h>
+#include <linux/bitfield.h>
 #include <linux/delay.h>
-
+#include <linux/if_ether.h>
 #include "e1000_mac.h"
 #include "e1000_nvm.h"
 
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
index a018000f7d..3c1b562a32 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2007 - 2018 Intel Corporation. */
 
-#include <linux/if_ether.h>
+#include <linux/bitfield.h>
 #include <linux/delay.h>
-
+#include <linux/if_ether.h>
 #include "e1000_mac.h"
 #include "e1000_phy.h"
 
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 4ee849985e..16d2a55d5e 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2356,10 +2356,10 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 		break;
 	case ETH_SS_STATS:
 		for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++)
-			ethtool_sprintf(&p,
+			ethtool_sprintf(&p, "%s",
 					igb_gstrings_stats[i].stat_string);
 		for (i = 0; i < IGB_NETDEV_STATS_LEN; i++)
-			ethtool_sprintf(&p,
+			ethtool_sprintf(&p, "%s",
 					igb_gstrings_net_stats[i].stat_string);
 		for (i = 0; i < adapter->num_tx_queues; i++) {
 			ethtool_sprintf(&p, "tx_queue_%u_packets", i);
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 76b34cee1d..b2295caa2f 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3069,6 +3069,7 @@ void igb_set_fw_version(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	struct e1000_fw_version fw;
+	char *lbuf;
 
 	igb_get_fw_version(hw, &fw);
 
@@ -3076,36 +3077,34 @@ void igb_set_fw_version(struct igb_adapter *adapter)
 	case e1000_i210:
 	case e1000_i211:
 		if (!(igb_get_flash_presence_i210(hw))) {
-			snprintf(adapter->fw_version,
-				 sizeof(adapter->fw_version),
-				 "%2d.%2d-%d",
-				 fw.invm_major, fw.invm_minor,
-				 fw.invm_img_type);
+			lbuf = kasprintf(GFP_KERNEL, "%2d.%2d-%d",
+					 fw.invm_major, fw.invm_minor,
+					 fw.invm_img_type);
 			break;
 		}
 		fallthrough;
 	default:
-		/* if option is rom valid, display its version too */
+		/* if option rom is valid, display its version too */
 		if (fw.or_valid) {
-			snprintf(adapter->fw_version,
-				 sizeof(adapter->fw_version),
-				 "%d.%d, 0x%08x, %d.%d.%d",
-				 fw.eep_major, fw.eep_minor, fw.etrack_id,
-				 fw.or_major, fw.or_build, fw.or_patch);
+			lbuf = kasprintf(GFP_KERNEL, "%d.%d, 0x%08x, %d.%d.%d",
+					 fw.eep_major, fw.eep_minor,
+					 fw.etrack_id, fw.or_major, fw.or_build,
+					 fw.or_patch);
 		/* no option rom */
 		} else if (fw.etrack_id != 0X0000) {
-			snprintf(adapter->fw_version,
-			    sizeof(adapter->fw_version),
-			    "%d.%d, 0x%08x",
-			    fw.eep_major, fw.eep_minor, fw.etrack_id);
+			lbuf = kasprintf(GFP_KERNEL, "%d.%d, 0x%08x",
+					 fw.eep_major, fw.eep_minor,
+					 fw.etrack_id);
 		} else {
-		snprintf(adapter->fw_version,
-		    sizeof(adapter->fw_version),
-		    "%d.%d.%d",
-		    fw.eep_major, fw.eep_minor, fw.eep_build);
+			lbuf = kasprintf(GFP_KERNEL, "%d.%d.%d", fw.eep_major,
+					 fw.eep_minor, fw.eep_build);
 		}
 		break;
 	}
+
+	/* the truncate happens here if it doesn't fit */
+	strscpy(adapter->fw_version, lbuf, sizeof(adapter->fw_version));
+	kfree(lbuf);
 }
 
 /**
@@ -3264,7 +3263,7 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	igb_set_ethtool_ops(netdev);
 	netdev->watchdog_timeo = 5 * HZ;
 
-	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
+	strscpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
 
 	netdev->mem_start = pci_resource_start(pdev, 0);
 	netdev->mem_end = pci_resource_end(pdev, 0);
@@ -7857,8 +7856,8 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf,
 {
 	struct pci_dev *pdev = adapter->pdev;
 	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
-	struct list_head *pos;
-	struct vf_mac_filter *entry = NULL;
+	struct vf_mac_filter *entry;
+	bool found = false;
 	int ret = 0;
 
 	if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) &&
@@ -7878,8 +7877,7 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf,
 	switch (info) {
 	case E1000_VF_MAC_FILTER_CLR:
 		/* remove all unicast MAC filters related to the current VF */
-		list_for_each(pos, &adapter->vf_macs.l) {
-			entry = list_entry(pos, struct vf_mac_filter, l);
+		list_for_each_entry(entry, &adapter->vf_macs.l, l) {
 			if (entry->vf == vf) {
 				entry->vf = -1;
 				entry->free = true;
@@ -7889,13 +7887,14 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf,
 		break;
 	case E1000_VF_MAC_FILTER_ADD:
 		/* try to find empty slot in the list */
-		list_for_each(pos, &adapter->vf_macs.l) {
-			entry = list_entry(pos, struct vf_mac_filter, l);
-			if (entry->free)
+		list_for_each_entry(entry, &adapter->vf_macs.l, l) {
+			if (entry->free) {
+				found = true;
 				break;
+			}
 		}
 
-		if (entry && entry->free) {
+		if (found) {
 			entry->free = false;
 			entry->vf = vf;
 			ether_addr_copy(entry->vf_mac, addr);