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/include/net/xfrm.h b/include/net/xfrm.h
index 4de7ed9..89174e29 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1217,8 +1217,8 @@
 		memcpy(&daddr->a4, &fl->u.ip4.daddr, sizeof(daddr->a4));
 		break;
 	case AF_INET6:
-		ipv6_addr_copy((struct in6_addr *)&saddr->a6, &fl->u.ip6.saddr);
-		ipv6_addr_copy((struct in6_addr *)&daddr->a6, &fl->u.ip6.daddr);
+		*(struct in6_addr *)saddr->a6 = fl->u.ip6.saddr;
+		*(struct in6_addr *)daddr->a6 = fl->u.ip6.daddr;
 		break;
 	}
 }