2801 	struct ifreq ifr;  in dev_ifname()  local
2807 	if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))  in dev_ifname()
2811 	dev = __dev_get_by_index(net, ifr.ifr_ifindex);  in dev_ifname()
2817 	strcpy(ifr.ifr_name, dev->name);  in dev_ifname()
2820 	if (copy_to_user(arg, &ifr, sizeof(struct ifreq)))  in dev_ifname()
3795 static int dev_ifsioc_locked(struct net *net, struct ifreq *ifr, unsigned int cmd)  in dev_ifsioc_locked()  argument
3798 	struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);  in dev_ifsioc_locked()
3805 			ifr->ifr_flags = dev_get_flags(dev);  in dev_ifsioc_locked()
3810 			ifr->ifr_metric = 0;  in dev_ifsioc_locked()
3814 			ifr->ifr_mtu = dev->mtu;  in dev_ifsioc_locked()
3819 				memset(ifr->ifr_hwaddr.sa_data, 0, sizeof ifr->ifr_hwaddr.sa_data);  in dev_ifsioc_locked()
3821 				memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,  in dev_ifsioc_locked()
3822 				       min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));  in dev_ifsioc_locked()
3823 			ifr->ifr_hwaddr.sa_family = dev->type;  in dev_ifsioc_locked()
3831 			ifr->ifr_map.mem_start = dev->mem_start;  in dev_ifsioc_locked()
3832 			ifr->ifr_map.mem_end   = dev->mem_end;  in dev_ifsioc_locked()
3833 			ifr->ifr_map.base_addr = dev->base_addr;  in dev_ifsioc_locked()
3834 			ifr->ifr_map.irq       = dev->irq;  in dev_ifsioc_locked()
3835 			ifr->ifr_map.dma       = dev->dma;  in dev_ifsioc_locked()
3836 			ifr->ifr_map.port      = dev->if_port;  in dev_ifsioc_locked()
3840 			ifr->ifr_ifindex = dev->ifindex;  in dev_ifsioc_locked()
3844 			ifr->ifr_qlen = dev->tx_queue_len;  in dev_ifsioc_locked()
3862 static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)  in dev_ifsioc()  argument
3865 	struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);  in dev_ifsioc()
3875 			return dev_change_flags(dev, ifr->ifr_flags);  in dev_ifsioc()
3882 			return dev_set_mtu(dev, ifr->ifr_mtu);  in dev_ifsioc()
3885 			return dev_set_mac_address(dev, &ifr->ifr_hwaddr);  in dev_ifsioc()
3888 			if (ifr->ifr_hwaddr.sa_family != dev->type)  in dev_ifsioc()
3890 			memcpy(dev->broadcast, ifr->ifr_hwaddr.sa_data,  in dev_ifsioc()
3891 			       min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));  in dev_ifsioc()
3899 				return ops->ndo_set_config(dev, &ifr->ifr_map);  in dev_ifsioc()
3905 			    ifr->ifr_hwaddr.sa_family != AF_UNSPEC)  in dev_ifsioc()
3909 			return dev_mc_add(dev, ifr->ifr_hwaddr.sa_data,  in dev_ifsioc()
3914 			    ifr->ifr_hwaddr.sa_family != AF_UNSPEC)  in dev_ifsioc()
3918 			return dev_mc_delete(dev, ifr->ifr_hwaddr.sa_data,  in dev_ifsioc()
3922 			if (ifr->ifr_qlen < 0)  in dev_ifsioc()
3924 			dev->tx_queue_len = ifr->ifr_qlen;  in dev_ifsioc()
3928 			ifr->ifr_newname[IFNAMSIZ-1] = '\0';  in dev_ifsioc()
3929 			return dev_change_name(dev, ifr->ifr_newname);  in dev_ifsioc()
3953 						err = ops->ndo_do_ioctl(dev, ifr, cmd);  in dev_ifsioc()
3983 	struct ifreq ifr;  in dev_ioctl()  local
4001 	if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))  in dev_ioctl()
4004 	ifr.ifr_name[IFNAMSIZ-1] = 0;  in dev_ioctl()
4006 	colon = strchr(ifr.ifr_name, ':');  in dev_ioctl()
4029 			dev_load(net, ifr.ifr_name);  in dev_ioctl()
4031 			ret = dev_ifsioc_locked(net, &ifr, cmd);  in dev_ioctl()
4036 				if (copy_to_user(arg, &ifr,  in dev_ioctl()
4043 			dev_load(net, ifr.ifr_name);  in dev_ioctl()
4045 			ret = dev_ethtool(net, &ifr);  in dev_ioctl()
4050 				if (copy_to_user(arg, &ifr,  in dev_ioctl()
4067 			dev_load(net, ifr.ifr_name);  in dev_ioctl()
4069 			ret = dev_ifsioc(net, &ifr, cmd);  in dev_ioctl()
4074 				if (copy_to_user(arg, &ifr,  in dev_ioctl()
4108 			dev_load(net, ifr.ifr_name);  in dev_ioctl()
4110 			ret = dev_ifsioc(net, &ifr, cmd);  in dev_ioctl()
4130 				dev_load(net, ifr.ifr_name);  in dev_ioctl()
4132 				ret = dev_ifsioc(net, &ifr, cmd);  in dev_ioctl()
4134 				if (!ret && copy_to_user(arg, &ifr,  in dev_ioctl()
4141 				return wext_handle_ioctl(net, &ifr, cmd, arg);  in dev_ioctl()