1227 	struct scm_cookie scm;  in netlink_sendmsg()  local
1232 	if (NULL == siocb->scm)  in netlink_sendmsg()
1233 		siocb->scm = &scm;  in netlink_sendmsg()
1234 	err = scm_send(sock, msg, siocb->scm);  in netlink_sendmsg()
1269 	memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));  in netlink_sendmsg()
1304 	struct scm_cookie scm;  in netlink_recvmsg()  local
1344 	if (NULL == siocb->scm) {  in netlink_recvmsg()
1345 		memset(&scm, 0, sizeof(scm));  in netlink_recvmsg()
1346 		siocb->scm = &scm;  in netlink_recvmsg()
1348 	siocb->scm->creds = *NETLINK_CREDS(skb);  in netlink_recvmsg()
1356 	scm_recv(sock, msg, siocb->scm, flags);  in netlink_recvmsg()