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>

1 files changed, 1 insertions, 1 deletions

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];
 };