408 	if ((isp->pcb = bkmem_alloc(sizeof (tcp_t))) == NULL) {  in tcp_socket_init()
412 	if ((errno = tcp_init_values((tcp_t *)isp->pcb, isp)) != 0) {  in tcp_socket_init()
413 		bkmem_free(isp->pcb, sizeof (tcp_t));  in tcp_socket_init()
531 		if (sockets[sock_id].pcb == NULL)  in tcp_drain_input()
535 	if (tcp == NULL || sockets[sock_id].pcb == NULL) {  in tcp_drain_input()
569 	if ((tcp = sockets[sock_id].pcb) == NULL)  in tcp_input()
587 		if (sockets[sock_id].pcb == NULL)  in tcp_input()
829 	if ((tcp = sockets[sock_id].pcb) == NULL) {  in tcp_shutdown()
843 		if (sockets[sock_id].pcb != NULL)  in tcp_shutdown()
865 			if (sockets[sock_id].pcb == NULL)  in tcp_shutdown()
886 	if ((tcp = sockets[sock_id].pcb) == NULL) {  in tcp_close()
902 		if (sockets[sock_id].pcb != NULL)  in tcp_close()
959 		if (sockets[sock_id].pcb == NULL)  in tcp_close()
979 					if (sockets[sock_id].pcb != NULL) {  in tcp_close()
990 			if (sockets[sock_id].pcb == NULL)  in tcp_close()
1013 	sockets[sock_id].pcb = NULL;  in tcp_close()
1023 	if ((tcp = (tcp_t *)(sockets[sock_id].pcb)) == NULL) {  in tcp_listen()
1059 	if ((listener = (tcp_t *)(sockets[sock_id].pcb)) == NULL ||  in tcp_accept()
1100 	bkmem_free((caddr_t)(sockets[new_sock_id].pcb), sizeof (tcp_t));  in tcp_accept()
1107 	sockets[new_sock_id].pcb = eager;  in tcp_accept()
1147 		    ((tcp = (tcp_t *)sockets[i].pcb) == NULL) ||  in tcp_bindi()
1186 	if ((tcp = (tcp_t *)sockets[sock_id].pcb) == NULL) {  in tcp_bind()
1241 		if ((tmp_tcp = (tcp_t *)sockets[i].pcb) == NULL)  in tcp_conn_check()
1269 	if ((tcp = (tcp_t *)(sockets[sock_id].pcb)) == NULL) {  in tcp_connect()
1760 		if (sockets[sock_id].pcb == NULL) {  in tcp_state_wait()
1766 	if (tcp == NULL || sockets[sock_id].pcb == NULL) {  in tcp_state_wait()
1836 		    (tcp = (tcp_t *)sockets[i].pcb) != NULL) {  in tcp_lookup_ipv4()
1871 		    (tcp = (tcp_t *)sockets[i].pcb) != NULL) {  in tcp_lookup_listener_ipv4()
1927 		sockets[sock_id].pcb = NULL;  in tcp_clean_death()
4175 			if (sockets[sock_id].pcb == NULL)  in tcp_rput_data()
5218 	if ((sockets[sock_id].pcb == NULL) || (sockets[sock_id].pcb != tcp))  in tcp_time_wait_processing()
6801 	if ((tcp = sockets[sock_id].pcb) == NULL)  in tcp_rcv_drain_sock()