ip_tunnels: use offsetofend

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index ca173f2..cc3b39e 100644 (file)
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -23,9 +23,7 @@
 #define IPTUNNEL_ERR_TIMEO     (30*HZ)
 
 /* Used to memset ip_tunnel padding. */
-#define IP_TUNNEL_KEY_SIZE                                     \
-       (offsetof(struct ip_tunnel_key, tp_dst) +               \
-        FIELD_SIZEOF(struct ip_tunnel_key, tp_dst))
+#define IP_TUNNEL_KEY_SIZE     offsetofend(struct ip_tunnel_key, tp_dst)
 
 struct ip_tunnel_key {
        __be64                  tun_id;