234 			ppp->rx_pkt = net_pkt_rx_alloc_with_buffer(ppp->iface,  in modem_ppp_process_received_byte()
237 			if (ppp->rx_pkt == NULL) {  in modem_ppp_process_received_byte()
245 			net_pkt_cursor_init(ppp->rx_pkt);  in modem_ppp_process_received_byte()
254 			LOG_DBG("Received PPP frame (len %zu)", net_pkt_get_len(ppp->rx_pkt));  in modem_ppp_process_received_byte()
257 			net_pkt_remove_tail(ppp->rx_pkt, MODEM_PPP_FRAME_TAIL_SIZE);  in modem_ppp_process_received_byte()
258 			net_pkt_set_ppp(ppp->rx_pkt, true);  in modem_ppp_process_received_byte()
260 			if (net_recv_data(ppp->iface, ppp->rx_pkt) < 0) {  in modem_ppp_process_received_byte()
262 				net_pkt_unref(ppp->rx_pkt);  in modem_ppp_process_received_byte()
265 			ppp->rx_pkt = NULL;  in modem_ppp_process_received_byte()
271 		if (net_pkt_available_buffer(ppp->rx_pkt) == 1) {  in modem_ppp_process_received_byte()
272 			if (net_pkt_alloc_buffer(ppp->rx_pkt, CONFIG_MODEM_PPP_NET_BUF_FRAG_SIZE,  in modem_ppp_process_received_byte()
275 				net_pkt_unref(ppp->rx_pkt);  in modem_ppp_process_received_byte()
276 				ppp->rx_pkt = NULL;  in modem_ppp_process_received_byte()
287 		if (net_pkt_write_u8(ppp->rx_pkt, byte) < 0) {  in modem_ppp_process_received_byte()
289 			net_pkt_unref(ppp->rx_pkt);  in modem_ppp_process_received_byte()
290 			ppp->rx_pkt = NULL;  in modem_ppp_process_received_byte()
300 		if (net_pkt_write_u8(ppp->rx_pkt, (byte ^ MODEM_PPP_VALUE_ESCAPE)) < 0) {  in modem_ppp_process_received_byte()
302 			net_pkt_unref(ppp->rx_pkt);  in modem_ppp_process_received_byte()
303 			ppp->rx_pkt = NULL;  in modem_ppp_process_received_byte()
560 	if (ppp->rx_pkt != NULL) {  in modem_ppp_release()
561 		net_pkt_unref(ppp->rx_pkt);  in modem_ppp_release()
562 		ppp->rx_pkt = NULL;  in modem_ppp_release()