IB/rxe: Suppress sparse warnings

Avoid that sparse complains about using 0 as a pointer, about
missing function declarations and also avoid that sparse complains
about endianness.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Andrew Boyer <andrew.boyer@dell.com>
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 342e781..151f639 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -243,8 +243,8 @@ static struct socket *rxe_setup_udp_tunnel(struct net *net, __be16 port,
 {
        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;
@@ -658,7 +658,7 @@ struct notifier_block rxe_net_notifier = {
        .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);
@@ -671,7 +671,7 @@ int rxe_net_ipv4_init(void)
        return 0;
 }
 
-int rxe_net_ipv6_init(void)
+static int rxe_net_ipv6_init(void)
 {
 #if IS_ENABLED(CONFIG_IPV6)
 

diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
index 252b4d6..5088603 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -389,7 +389,7 @@ int rxe_rcv(struct sk_buff *skb)
        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",