datalink_protocols/arp/arp.cpp

190 	if (buffer == NULL || buffer == kDeletedBuffer)
191 		return NULL;
194 		(net_buffer*)NULL, buffer);
196 		return NULL;
206 		&entry->request_buffer, buffer, (net_buffer*)NULL);
207 	if (requestBuffer != NULL) {
219 	if (buffer != NULL && buffer != kDeletedBuffer)
265 	if (entry == NULL)
266 		return NULL;
271 	entry->protocol = NULL;
272 	entry->request_buffer = NULL;
276 	if (hardwareAddress != NULL) {
293 		return NULL;
377 	uint32 flags, arp_entry **_entry = NULL)
385 	if (entry != NULL) {
406 		if (entry == NULL)
438 	if (local == NULL) {
474 	net_interface_address* updateLocalAddress = NULL)
478 	if (local == NULL) {
489 	if (entry != NULL) {
494 	if (updateLocalAddress != NULL && protocol->local_address == inetAddress) {
498 		net_interface_address* address = NULL;
501 			if (address == updateLocalAddress || address->local == NULL
515 		arp_set_local_entry(protocol, NULL);
526 	net_interface_address* address = NULL;
529 		if (address->local == NULL || address->local->sa_family != AF_INET)
550 	net_interface_address* address = NULL;
553 		if (address->local == NULL || address->local->sa_family != AF_INET)
562 		return arp_set_local_entry(protocol, NULL);
582 	if (entry == NULL || entry->protocol == NULL
727 				|| entry->protocol == NULL)
733 			if (request == NULL)
740 				if (clone == NULL) {
775 	arp_entry *entry = arp_entry::Add(address, NULL, 0);
776 	if (entry == NULL)
782 	if (entry->request_buffer == NULL) {
871 			if (entry == NULL || !(entry->flags & ARP_FLAG_VALID))
888 			arp_entry *entry = NULL;
910 			if (entry == NULL)
950 	if (sCache == NULL || sCache->Init(64) != B_OK) {
981 		B_NET_FRAME_TYPE(IFT_ETHER, ETHER_TYPE_ARP), &arp_receive, NULL);
991 	if (protocol == NULL)
1037 			if (entry == NULL) {
1116 				if (newAddress != NULL && newAddress->sa_family == AF_INET) {
1123 					&& (oldAddress == NULL || oldAddress->sa_family == AF_INET))
1217 	NULL