605 	struct pingfakehdr *pfh = (struct pingfakehdr *)from;  in ping_getfrag()  local
612 			    fraglen, &pfh->wcheck,  in ping_getfrag()
613 			    &pfh->msg->msg_iter))  in ping_getfrag()
618 		if (!csum_and_copy_from_iter_full(to, fraglen, &pfh->wcheck,  in ping_getfrag()
619 					    &pfh->msg->msg_iter))  in ping_getfrag()
628 	if (pfh->family == AF_INET6) {  in ping_getfrag()
629 		skb->csum = pfh->wcheck;  in ping_getfrag()
631 		pfh->wcheck = 0;  in ping_getfrag()
639 static int ping_v4_push_pending_frames(struct sock *sk, struct pingfakehdr *pfh,  in ping_v4_push_pending_frames()  argument
646 	pfh->wcheck = csum_partial((char *)&pfh->icmph,  in ping_v4_push_pending_frames()
647 		sizeof(struct icmphdr), pfh->wcheck);  in ping_v4_push_pending_frames()
648 	pfh->icmph.checksum = csum_fold(pfh->wcheck);  in ping_v4_push_pending_frames()
649 	memcpy(icmp_hdr(skb), &pfh->icmph, sizeof(struct icmphdr));  in ping_v4_push_pending_frames()
706 	struct pingfakehdr pfh;  in ping_v4_sendmsg()  local
818 	pfh.icmph.type = user_icmph.type; /* already checked */  in ping_v4_sendmsg()
819 	pfh.icmph.code = user_icmph.code; /* ditto */  in ping_v4_sendmsg()
820 	pfh.icmph.checksum = 0;  in ping_v4_sendmsg()
821 	pfh.icmph.un.echo.id = inet->inet_sport;  in ping_v4_sendmsg()
822 	pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;  in ping_v4_sendmsg()
823 	pfh.msg = msg;  in ping_v4_sendmsg()
824 	pfh.wcheck = 0;  in ping_v4_sendmsg()
825 	pfh.family = AF_INET;  in ping_v4_sendmsg()
827 	err = ip_append_data(sk, &fl4, ping_getfrag, &pfh, len,  in ping_v4_sendmsg()
832 		err = ping_v4_push_pending_frames(sk, &pfh, &fl4);  in ping_v4_sendmsg()