net: make neigh_ops constant

These tables are never modified at runtime. Move to read-only
section.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 2 deletions

diff --git a/include/net/arp.h b/include/net/arp.h
index c236270ec95e..716f43c5c98e 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -26,6 +26,6 @@ extern struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
                                   const unsigned char *target_hw);
 extern void arp_xmit(struct sk_buff *skb);
 
-extern struct neigh_ops arp_broken_ops;
+extern const struct neigh_ops arp_broken_ops;
 
 #endif  /* _ARP_H */
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 18b69b6cecaf..3817fda82a80 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -118,7 +118,7 @@ struct neighbour
         int                     (*output)(struct sk_buff *skb);
         struct sk_buff_head     arp_queue;
         struct timer_list       timer;
-        struct neigh_ops        *ops;
+        const struct neigh_ops  *ops;
         u8                      primary_key[0];
 };