net: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for CAN
Link: https://lore.kernel.org/r/20220830201457.7984-1-wsa+renesas@sang-engineering.com

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/Space.c

@@ -68,7 +68,7 @@ static int netdev_boot_setup_add(char *name, struct ifmap *map)
 	for (i = 0; i < NETDEV_BOOT_SETUP_MAX; i++) {
 		if (s[i].name[0] == '\0' || s[i].name[0] == ' ') {
 			memset(s[i].name, 0, sizeof(s[i].name));
-			strlcpy(s[i].name, name, IFNAMSIZ);
+			strscpy(s[i].name, name, IFNAMSIZ);
 			memcpy(&s[i].map, map, sizeof(s[i].map));
 			break;
 		}

drivers/net/bonding/bond_main.c

@@ -5619,7 +5619,7 @@ static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev,
 static void bond_ethtool_get_drvinfo(struct net_device *bond_dev,
 				     struct ethtool_drvinfo *drvinfo)
 {
-	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
+	strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d",
 		 BOND_ABI_VERSION);
 }

drivers/net/can/sja1000/peak_pcmcia.c

@@ -478,7 +478,7 @@ static void pcan_free_channels(struct pcan_pccard *card)
 		if (!netdev)
 			continue;
 
-		strlcpy(name, netdev->name, IFNAMSIZ);
+		strscpy(name, netdev->name, IFNAMSIZ);
 
 		unregister_sja1000dev(netdev);
 

drivers/net/can/usb/peak_usb/pcan_usb_core.c

@@ -962,7 +962,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
 
 		dev_prev_siblings = dev->prev_siblings;
 		dev->state &= ~PCAN_USB_STATE_CONNECTED;
-		strlcpy(name, netdev->name, IFNAMSIZ);
+		strscpy(name, netdev->name, IFNAMSIZ);
 
 		unregister_netdev(netdev);
 

drivers/net/dsa/b53/b53_common.c

@@ -972,7 +972,7 @@ void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
 
 	if (stringset == ETH_SS_STATS) {
 		for (i = 0; i < mib_size; i++)
-			strlcpy(data + i * ETH_GSTRING_LEN,
+			strscpy(data + i * ETH_GSTRING_LEN,
 				mibs[i].name, ETH_GSTRING_LEN);
 	} else if (stringset == ETH_SS_PHY_STATS) {
 		phydev = b53_get_phy_device(ds, port);

drivers/net/dsa/bcm_sf2_cfp.c

@@ -1296,7 +1296,7 @@ void bcm_sf2_cfp_get_strings(struct dsa_switch *ds, int port,
 				 "CFP%03d_%sCntr",
 				 i, bcm_sf2_cfp_stats[j].name);
 			iter = (i - 1) * s + j;
-			strlcpy(data + iter * ETH_GSTRING_LEN,
+			strscpy(data + iter * ETH_GSTRING_LEN,
 				buf, ETH_GSTRING_LEN);
 		}
 	}

drivers/net/dsa/hirschmann/hellcreek.c

@@ -288,7 +288,7 @@ static void hellcreek_get_strings(struct dsa_switch *ds, int port,
 	for (i = 0; i < ARRAY_SIZE(hellcreek_counter); ++i) {
 		const struct hellcreek_counter *counter = &hellcreek_counter[i];
 
-		strlcpy(data + i * ETH_GSTRING_LEN,
+		strscpy(data + i * ETH_GSTRING_LEN,
 			counter->name, ETH_GSTRING_LEN);
 	}
 }

drivers/net/dsa/mv88e6xxx/chip.c

@@ -1136,7 +1136,7 @@ static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
-		strlcpy(data + i * ETH_GSTRING_LEN,
+		strscpy(data + i * ETH_GSTRING_LEN,
 			mv88e6xxx_atu_vtu_stats_strings[i],
 			ETH_GSTRING_LEN);
 }

drivers/net/dummy.c

@@ -102,7 +102,7 @@ static const struct net_device_ops dummy_netdev_ops = {
 static void dummy_get_drvinfo(struct net_device *dev,
 			      struct ethtool_drvinfo *info)
 {
-	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
+	strscpy(info->driver, DRV_NAME, sizeof(info->driver));
 }
 
 static const struct ethtool_ops dummy_ethtool_ops = {

drivers/net/fjes/fjes_ethtool.c

@@ -151,11 +151,11 @@ static void fjes_get_drvinfo(struct net_device *netdev,
 
 	plat_dev = adapter->plat_dev;
 
-	strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
-	strlcpy(drvinfo->version, fjes_driver_version,
+	strscpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, fjes_driver_version,
 		sizeof(drvinfo->version));
 
-	strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
+	strscpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
 	snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
 		 "platform:%s", plat_dev->name);
 }

drivers/net/geneve.c

@@ -1197,8 +1197,8 @@ static const struct net_device_ops geneve_netdev_ops = {
 static void geneve_get_drvinfo(struct net_device *dev,
 			       struct ethtool_drvinfo *drvinfo)
 {
-	strlcpy(drvinfo->version, GENEVE_NETDEV_VER, sizeof(drvinfo->version));
-	strlcpy(drvinfo->driver, "geneve", sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, GENEVE_NETDEV_VER, sizeof(drvinfo->version));
+	strscpy(drvinfo->driver, "geneve", sizeof(drvinfo->driver));
 }
 
 static const struct ethtool_ops geneve_ethtool_ops = {

drivers/net/hamradio/hdlcdrv.c

@@ -600,7 +600,7 @@ static int hdlcdrv_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
 
 	case HDLCDRVCTL_DRIVERNAME:
 		if (s->ops && s->ops->drvname) {
-			strlcpy(bi.data.drivername, s->ops->drvname,
+			strscpy(bi.data.drivername, s->ops->drvname,
 				sizeof(bi.data.drivername));
 			break;
 		}

drivers/net/hyperv/netvsc_drv.c

@@ -935,8 +935,8 @@ int netvsc_recv_callback(struct net_device *net,
 static void netvsc_get_drvinfo(struct net_device *net,
 			       struct ethtool_drvinfo *info)
 {
-	strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
-	strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
+	strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
+	strscpy(info->fw_version, "N/A", sizeof(info->fw_version));
 }
 
 static void netvsc_get_channels(struct net_device *net,

drivers/net/ipvlan/ipvlan_main.c

@@ -408,8 +408,8 @@ static int ipvlan_ethtool_get_link_ksettings(struct net_device *dev,
 static void ipvlan_ethtool_get_drvinfo(struct net_device *dev,
 				       struct ethtool_drvinfo *drvinfo)
 {
-	strlcpy(drvinfo->driver, IPVLAN_DRV, sizeof(drvinfo->driver));
-	strlcpy(drvinfo->version, IPV_DRV_VER, sizeof(drvinfo->version));
+	strscpy(drvinfo->driver, IPVLAN_DRV, sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, IPV_DRV_VER, sizeof(drvinfo->version));
 }
 
 static u32 ipvlan_ethtool_get_msglevel(struct net_device *dev)

drivers/net/macvlan.c

@@ -1043,8 +1043,8 @@ static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 static void macvlan_ethtool_get_drvinfo(struct net_device *dev,
 					struct ethtool_drvinfo *drvinfo)
 {
-	strlcpy(drvinfo->driver, "macvlan", sizeof(drvinfo->driver));
-	strlcpy(drvinfo->version, "0.1", sizeof(drvinfo->version));
+	strscpy(drvinfo->driver, "macvlan", sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, "0.1", sizeof(drvinfo->version));
 }
 
 static int macvlan_ethtool_get_link_ksettings(struct net_device *dev,

drivers/net/net_failover.c

@@ -324,8 +324,8 @@ static const struct net_device_ops failover_dev_ops = {
 static void nfo_ethtool_get_drvinfo(struct net_device *dev,
 				    struct ethtool_drvinfo *drvinfo)
 {
-	strlcpy(drvinfo->driver, FAILOVER_NAME, sizeof(drvinfo->driver));
-	strlcpy(drvinfo->version, FAILOVER_VERSION, sizeof(drvinfo->version));
+	strscpy(drvinfo->driver, FAILOVER_NAME, sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, FAILOVER_VERSION, sizeof(drvinfo->version));
 }
 
 static int nfo_ethtool_get_link_ksettings(struct net_device *dev,

drivers/net/netconsole.c

@@ -55,7 +55,7 @@ MODULE_PARM_DESC(oops_only, "Only log oops messages");
 #ifndef	MODULE
 static int __init option_setup(char *opt)
 {
-	strlcpy(config, opt, MAX_PARAM_LENGTH);
+	strscpy(config, opt, MAX_PARAM_LENGTH);
 	return 1;
 }
 __setup("netconsole=", option_setup);
@@ -178,7 +178,7 @@ static struct netconsole_target *alloc_param_target(char *target_config)
 		goto fail;
 
 	nt->np.name = "netconsole";
-	strlcpy(nt->np.dev_name, "eth0", IFNAMSIZ);
+	strscpy(nt->np.dev_name, "eth0", IFNAMSIZ);
 	nt->np.local_port = 6665;
 	nt->np.remote_port = 6666;
 	eth_broadcast_addr(nt->np.remote_mac);
@@ -414,7 +414,7 @@ static ssize_t dev_name_store(struct config_item *item, const char *buf,
 		return -EINVAL;
 	}
 
-	strlcpy(nt->np.dev_name, buf, IFNAMSIZ);
+	strscpy(nt->np.dev_name, buf, IFNAMSIZ);
 
 	/* Get rid of possible trailing newline from echo(1) */
 	len = strnlen(nt->np.dev_name, IFNAMSIZ);
@@ -630,7 +630,7 @@ static struct config_item *make_netconsole_target(struct config_group *group,
 		return ERR_PTR(-ENOMEM);
 
 	nt->np.name = "netconsole";
-	strlcpy(nt->np.dev_name, "eth0", IFNAMSIZ);
+	strscpy(nt->np.dev_name, "eth0", IFNAMSIZ);
 	nt->np.local_port = 6665;
 	nt->np.remote_port = 6666;
 	eth_broadcast_addr(nt->np.remote_mac);
@@ -708,7 +708,7 @@ static int netconsole_netdev_event(struct notifier_block *this,
 		if (nt->np.dev == dev) {
 			switch (event) {
 			case NETDEV_CHANGENAME:
-				strlcpy(nt->np.dev_name, dev->name, IFNAMSIZ);
+				strscpy(nt->np.dev_name, dev->name, IFNAMSIZ);
 				break;
 			case NETDEV_RELEASE:
 			case NETDEV_JOIN:

drivers/net/ntb_netdev.c

@@ -364,9 +364,9 @@ static void ntb_get_drvinfo(struct net_device *ndev,
 {
 	struct ntb_netdev *dev = netdev_priv(ndev);
 
-	strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
-	strlcpy(info->version, NTB_NETDEV_VER, sizeof(info->version));
-	strlcpy(info->bus_info, pci_name(dev->pdev), sizeof(info->bus_info));
+	strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
+	strscpy(info->version, NTB_NETDEV_VER, sizeof(info->version));
+	strscpy(info->bus_info, pci_name(dev->pdev), sizeof(info->bus_info));
 }
 
 static int ntb_get_link_ksettings(struct net_device *dev,

drivers/net/phy/adin.c

@@ -749,7 +749,7 @@ static void adin_get_strings(struct phy_device *phydev, u8 *data)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(adin_hw_stats); i++) {
-		strlcpy(&data[i * ETH_GSTRING_LEN],
+		strscpy(&data[i * ETH_GSTRING_LEN],
 			adin_hw_stats[i].string, ETH_GSTRING_LEN);
 	}
 }

drivers/net/phy/bcm-phy-lib.c

@@ -519,7 +519,7 @@ void bcm_phy_get_strings(struct phy_device *phydev, u8 *data)
 	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++)
-		strlcpy(data + i * ETH_GSTRING_LEN,
+		strscpy(data + i * ETH_GSTRING_LEN,
 			bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN);
 }
 EXPORT_SYMBOL_GPL(bcm_phy_get_strings);