net: remove ipv6_addr_copy()

C assignment can handle struct in6_addr copying.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 4d6edff..261e6e6 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -55,8 +55,8 @@
 		dsfield &= ~INET_ECN_MASK;
 	ipv6_change_dsfield(top_iph, 0, dsfield);
 	top_iph->hop_limit = ip6_dst_hoplimit(dst->child);
-	ipv6_addr_copy(&top_iph->saddr, (const struct in6_addr *)&x->props.saddr);
-	ipv6_addr_copy(&top_iph->daddr, (const struct in6_addr *)&x->id.daddr);
+	top_iph->saddr = *(struct in6_addr *)&x->props.saddr;
+	top_iph->daddr = *(struct in6_addr *)&x->id.daddr;
 	return 0;
 }