phcsum = csum_tcpudp_nofold(eddp->nh.ip4.h.saddr, eddp->nh.ip4.h.daddr,
                                    eddp->thl + data_len, IPPROTO_TCP, 0);
        /* compute checksum of tcp header */
-       return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum);
+       return csum_partial(&eddp->th, eddp->thl, phcsum);
 }
 
 static __wsum qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp,
        QETH_DBF_TEXT(TRACE, 5, "eddpckt6");
        eddp->th.tcp.h.check = 0;
        /* compute pseudo header checksum */
-       phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.saddr,
+       phcsum = csum_partial(&eddp->nh.ip6.h.saddr,
                              sizeof(struct in6_addr), 0);
-       phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.daddr,
+       phcsum = csum_partial(&eddp->nh.ip6.h.daddr,
                              sizeof(struct in6_addr), phcsum);
        proto = htonl(IPPROTO_TCP);
-       phcsum = csum_partial((u8 *)&proto, sizeof(u32), phcsum);
+       phcsum = csum_partial(&proto, sizeof(u32), phcsum);
        return phcsum;
 }