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>

4 files changed, 8 insertions, 14 deletions

diff --git a/include/net/dn_route.h b/include/net/dn_route.h
index 60c9f22d8694..ccadab3aa3f6 100644
--- a/include/net/dn_route.h
+++ b/include/net/dn_route.h
@@ -65,9 +65,7 @@ extern void dn_rt_cache_flush(int delay);
  * packets to the originating host.
  */
 struct dn_route {
-        union {
-                struct dst_entry dst;
-        } u;
+        struct dst_entry dst;
 
         struct flowi fl;
 
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 4b1dc1161c37..062a823d311c 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -84,13 +84,11 @@ struct rt6key {
 struct fib6_table;
 
 struct rt6_info {
-        union {
-                struct dst_entry        dst;
-        } u;
+        struct dst_entry                dst;
 
-#define rt6i_dev                        u.dst.dev
-#define rt6i_nexthop                    u.dst.neighbour
-#define rt6i_expires                    u.dst.expires
+#define rt6i_dev                        dst.dev
+#define rt6i_nexthop                    dst.neighbour
+#define rt6i_expires                    dst.expires
 
         /*
          * Tail elements of dst_entry (__refcnt etc.)
diff --git a/include/net/ipip.h b/include/net/ipip.h
index 11e8513d2d07..65caea8b414f 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -50,7 +50,7 @@ struct ip_tunnel_prl_entry {
         int pkt_len = skb->len - skb_transport_offset(skb);             \
                                                                         \
         skb->ip_summed = CHECKSUM_NONE;                                 \
-        ip_select_ident(iph, &rt->u.dst, NULL);                         \
+        ip_select_ident(iph, &rt->dst, NULL);                           \
                                                                         \
         err = ip_local_out(skb);                                        \
         if (likely(net_xmit_eval(err) == 0)) {                          \
diff --git a/include/net/route.h b/include/net/route.h
index af6cf4b4c9dc..bd732d62e1c3 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -50,9 +50,7 @@
 struct fib_nh;
 struct inet_peer;
 struct rtable {
-        union {
-                struct dst_entry        dst;
-        } u;
+        struct dst_entry        dst;
 
         /* Cache lookup keys */
         struct flowi            fl;
@@ -144,7 +142,7 @@ extern void fib_add_ifaddr(struct in_ifaddr *);
 static inline void ip_rt_put(struct rtable * rt)
 {
         if (rt)
-                dst_release(&rt->u.dst);
+                dst_release(&rt->dst);
 }
 
 #define IPTOS_RT_MASK   (IPTOS_TOS_MASK & ~3)