datapath: Constify netlink structs.

[cascardo/ovs.git] / datapath / datapath.h

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 526ddad..152d70c 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -186,7 +186,7 @@ static inline struct vport *ovs_vport_ovsl(const struct datapath *dp, int port_n
 
 extern struct notifier_block ovs_dp_device_notifier;
 extern struct genl_family dp_vport_genl_family;
-extern struct genl_multicast_group ovs_dp_vport_multicast_group;
+extern const struct genl_multicast_group ovs_dp_vport_multicast_group;
 
 void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key);
 void ovs_dp_detach_port(struct vport *);