74 static int netdev_sock = -1;  variable
133 	if (netdev_sock >= 0 && strcmp(devname, netdev_name) != 0)  in net_open()
139 		if (netdev_sock < 0) {  in net_open()
140 			netdev_sock = netif_open(dev);  in net_open()
141 			if (netdev_sock < 0) {  in net_open()
155 			error = net_getparams(netdev_sock);  in net_open()
159 				netif_close(netdev_sock);  in net_open()
160 				netdev_sock = -1;  in net_open()
170 		d = socktodesc(netdev_sock);  in net_open()
192 	dev->d_opendata = &netdev_sock;  in net_open()
213 	if (netdev_sock >= 0) {  in net_cleanup()
217 		netif_close(netdev_sock);  in net_cleanup()
218 		netdev_sock = -1;  in net_cleanup()