net-next: remove useless union keyword

remove useless union keyword in rtable, rt6_info and dn_route.

Since there is only one member in a union, the union keyword isn't useful.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 30 insertions, 30 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9a4a6c96cb0d..6cbeb2e108de 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -151,15 +151,15 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
         iph->version  = 4;
         iph->ihl      = 5;
         iph->tos      = inet->tos;
-        if (ip_dont_fragment(sk, &rt->u.dst))
+        if (ip_dont_fragment(sk, &rt->dst))
                 iph->frag_off = htons(IP_DF);
         else
                 iph->frag_off = 0;
-        iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+        iph->ttl      = ip_select_ttl(inet, &rt->dst);
         iph->daddr    = rt->rt_dst;
         iph->saddr    = rt->rt_src;
         iph->protocol = sk->sk_protocol;
-        ip_select_ident(iph, &rt->u.dst, sk);
+        ip_select_ident(iph, &rt->dst, sk);
 
         if (opt && opt->optlen) {
                 iph->ihl += opt->optlen>>2;
@@ -240,7 +240,7 @@ int ip_mc_output(struct sk_buff *skb)
 {
         struct sock *sk = skb->sk;
         struct rtable *rt = skb_rtable(skb);
-        struct net_device *dev = rt->u.dst.dev;
+        struct net_device *dev = rt->dst.dev;
 
         /*
          *      If the indicated interface is up and running, send the packet.
@@ -359,9 +359,9 @@ int ip_queue_xmit(struct sk_buff *skb)
                         if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
                                 goto no_route;
                 }
-                sk_setup_caps(sk, &rt->u.dst);
+                sk_setup_caps(sk, &rt->dst);
         }
-        skb_dst_set_noref(skb, &rt->u.dst);
+        skb_dst_set_noref(skb, &rt->dst);
 
 packet_routed:
         if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
@@ -372,11 +372,11 @@ packet_routed:
         skb_reset_network_header(skb);
         iph = ip_hdr(skb);
         *((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
-        if (ip_dont_fragment(sk, &rt->u.dst) && !skb->local_df)
+        if (ip_dont_fragment(sk, &rt->dst) && !skb->local_df)
                 iph->frag_off = htons(IP_DF);
         else
                 iph->frag_off = 0;
-        iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+        iph->ttl      = ip_select_ttl(inet, &rt->dst);
         iph->protocol = sk->sk_protocol;
         iph->saddr    = rt->rt_src;
         iph->daddr    = rt->rt_dst;
@@ -387,7 +387,7 @@ packet_routed:
                 ip_options_build(skb, opt, inet->inet_daddr, rt, 0);
         }
 
-        ip_select_ident_more(iph, &rt->u.dst, sk,
+        ip_select_ident_more(iph, &rt->dst, sk,
                              (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 
         skb->priority = sk->sk_priority;
@@ -452,7 +452,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         struct rtable *rt = skb_rtable(skb);
         int err = 0;
 
-        dev = rt->u.dst.dev;
+        dev = rt->dst.dev;
 
         /*
          *      Point into the IP datagram header.
@@ -473,7 +473,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          */
 
         hlen = iph->ihl * 4;
-        mtu = dst_mtu(&rt->u.dst) - hlen;       /* Size of data space */
+        mtu = dst_mtu(&rt->dst) - hlen; /* Size of data space */
 #ifdef CONFIG_BRIDGE_NETFILTER
         if (skb->nf_bridge)
                 mtu -= nf_bridge_mtu_reduction(skb);
@@ -586,7 +586,7 @@ slow_path:
          * we need to make room for the encapsulating header
          */
         pad = nf_bridge_pad(skb);
-        ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, pad);
+        ll_rs = LL_RESERVED_SPACE_EXTRA(rt->dst.dev, pad);
         mtu -= pad;
 
         /*
@@ -833,13 +833,13 @@ int ip_append_data(struct sock *sk,
                  */
                 *rtp = NULL;
                 inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
-                                            rt->u.dst.dev->mtu :
-                                            dst_mtu(rt->u.dst.path);
-                inet->cork.dst = &rt->u.dst;
+                                            rt->dst.dev->mtu :
+                                            dst_mtu(rt->dst.path);
+                inet->cork.dst = &rt->dst;
                 inet->cork.length = 0;
                 sk->sk_sndmsg_page = NULL;
                 sk->sk_sndmsg_off = 0;
-                if ((exthdrlen = rt->u.dst.header_len) != 0) {
+                if ((exthdrlen = rt->dst.header_len) != 0) {
                         length += exthdrlen;
                         transhdrlen += exthdrlen;
                 }
@@ -852,7 +852,7 @@ int ip_append_data(struct sock *sk,
                 exthdrlen = 0;
                 mtu = inet->cork.fragsize;
         }
-        hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+        hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
         fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
         maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
@@ -869,14 +869,14 @@ int ip_append_data(struct sock *sk,
          */
         if (transhdrlen &&
             length + fragheaderlen <= mtu &&
-            rt->u.dst.dev->features & NETIF_F_V4_CSUM &&
+            rt->dst.dev->features & NETIF_F_V4_CSUM &&
             !exthdrlen)
                 csummode = CHECKSUM_PARTIAL;
 
         inet->cork.length += length;
         if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
             (sk->sk_protocol == IPPROTO_UDP) &&
-            (rt->u.dst.dev->features & NETIF_F_UFO)) {
+            (rt->dst.dev->features & NETIF_F_UFO)) {
                 err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
                                          fragheaderlen, transhdrlen, mtu,
                                          flags);
@@ -924,7 +924,7 @@ alloc_new_skb:
                         fraglen = datalen + fragheaderlen;
 
                         if ((flags & MSG_MORE) &&
-                            !(rt->u.dst.dev->features&NETIF_F_SG))
+                            !(rt->dst.dev->features&NETIF_F_SG))
                                 alloclen = mtu;
                         else
                                 alloclen = datalen + fragheaderlen;
@@ -935,7 +935,7 @@ alloc_new_skb:
                          * the last.
                          */
                         if (datalen == length + fraggap)
-                                alloclen += rt->u.dst.trailer_len;
+                                alloclen += rt->dst.trailer_len;
 
                         if (transhdrlen) {
                                 skb = sock_alloc_send_skb(sk,
@@ -1008,7 +1008,7 @@ alloc_new_skb:
                 if (copy > length)
                         copy = length;
 
-                if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
+                if (!(rt->dst.dev->features&NETIF_F_SG)) {
                         unsigned int off;
 
                         off = skb->len;
@@ -1103,10 +1103,10 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
         if (inet->cork.flags & IPCORK_OPT)
                 opt = inet->cork.opt;
 
-        if (!(rt->u.dst.dev->features&NETIF_F_SG))
+        if (!(rt->dst.dev->features&NETIF_F_SG))
                 return -EOPNOTSUPP;
 
-        hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+        hh_len = LL_RESERVED_SPACE(rt->dst.dev);
         mtu = inet->cork.fragsize;
 
         fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
@@ -1122,7 +1122,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 
         inet->cork.length += size;
         if ((sk->sk_protocol == IPPROTO_UDP) &&
-            (rt->u.dst.dev->features & NETIF_F_UFO)) {
+            (rt->dst.dev->features & NETIF_F_UFO)) {
                 skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
                 skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
         }
@@ -1274,8 +1274,8 @@ int ip_push_pending_frames(struct sock *sk)
          * If local_df is set too, we still allow to fragment this frame
          * locally. */
         if (inet->pmtudisc >= IP_PMTUDISC_DO ||
-            (skb->len <= dst_mtu(&rt->u.dst) &&
-             ip_dont_fragment(sk, &rt->u.dst)))
+            (skb->len <= dst_mtu(&rt->dst) &&
+             ip_dont_fragment(sk, &rt->dst)))
                 df = htons(IP_DF);
 
         if (inet->cork.flags & IPCORK_OPT)
@@ -1284,7 +1284,7 @@ int ip_push_pending_frames(struct sock *sk)
         if (rt->rt_type == RTN_MULTICAST)
                 ttl = inet->mc_ttl;
         else
-                ttl = ip_select_ttl(inet, &rt->u.dst);
+                ttl = ip_select_ttl(inet, &rt->dst);
 
         iph = (struct iphdr *)skb->data;
         iph->version = 4;
@@ -1295,7 +1295,7 @@ int ip_push_pending_frames(struct sock *sk)
         }
         iph->tos = inet->tos;
         iph->frag_off = df;
-        ip_select_ident(iph, &rt->u.dst, sk);
+        ip_select_ident(iph, &rt->dst, sk);
         iph->ttl = ttl;
         iph->protocol = sk->sk_protocol;
         iph->saddr = rt->rt_src;
@@ -1308,7 +1308,7 @@ int ip_push_pending_frames(struct sock *sk)
          * on dst refcount
          */
         inet->cork.dst = NULL;
-        skb_dst_set(skb, &rt->u.dst);
+        skb_dst_set(skb, &rt->dst);
 
         if (iph->protocol == IPPROTO_ICMP)
                 icmp_out_count(net, ((struct icmphdr *)