{
        int err;
        struct socket *sock;
-       struct udp_port_cfg udp_cfg = {0};
-       struct udp_tunnel_sock_cfg tnl_cfg = {0};
+       struct udp_port_cfg udp_cfg = { };
+       struct udp_tunnel_sock_cfg tnl_cfg = { };
 
        if (ipv6) {
                udp_cfg.family = AF_INET6;
        .notifier_call = rxe_notify,
 };
 
-int rxe_net_ipv4_init(void)
+static int rxe_net_ipv4_init(void)
 {
        recv_sockets.sk4 = rxe_setup_udp_tunnel(&init_net,
                                htons(ROCE_V2_UDP_DPORT), false);
        return 0;
 }
 
-int rxe_net_ipv6_init(void)
+static int rxe_net_ipv6_init(void)
 {
 #if IS_ENABLED(CONFIG_IPV6)
 
 
        calc_icrc = rxe_icrc_hdr(pkt, skb);
        calc_icrc = crc32_le(calc_icrc, (u8 *)payload_addr(pkt),
                             payload_size(pkt));
-       calc_icrc = cpu_to_be32(~calc_icrc);
+       calc_icrc = (__force u32)cpu_to_be32(~calc_icrc);
        if (unlikely(calc_icrc != pack_icrc)) {
                if (skb->protocol == htons(ETH_P_IPV6))
                        pr_warn_ratelimited("bad ICRC from %pI6c\n",