150 	u32 cfecho; /* consecutive frame echo tag */  member
781 	if (so->cfecho)  in isotp_send_cframe()
782 		pr_notice_once("can-isotp: cfecho is %08X != 0\n", so->cfecho);  in isotp_send_cframe()
785 	so->cfecho = *(u32 *)cf->data;  in isotp_send_cframe()
840 	if (skb->sk != sk || so->cfecho != *(u32 *)cf->data)  in isotp_rcv_echo()
847 	so->cfecho = 0;  in isotp_rcv_echo()
888 		if (!so->cfecho) {  in isotp_tx_timer_handler()
901 		pr_notice_once("can-isotp: cfecho %08X timeout\n", so->cfecho);  in isotp_tx_timer_handler()
921 			  so->tx.state, so->cfecho);  in isotp_tx_timer_handler()
1003 	if (so->cfecho)  in isotp_sendmsg()
1004 		pr_notice_once("can-isotp: uninit cfecho %08X\n", so->cfecho);  in isotp_sendmsg()
1032 		so->cfecho = *(u32 *)cf->data;  in isotp_sendmsg()
1049 			so->cfecho = *(u32 *)cf->data;  in isotp_sendmsg()
1058 			so->cfecho = 0;  in isotp_sendmsg()
1080 		so->cfecho = 0;  in isotp_sendmsg()
1292 		so->cfecho = 0;  in isotp_bind()