diff --git a/datapath/datapath.c b/datapath/datapath.c
index 8a9e54f03..853bfb5af 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -71,16 +71,16 @@ static struct genl_family dp_datapath_genl_family;
 
 static const struct nla_policy flow_policy[];
 
-static struct genl_multicast_group ovs_dp_flow_multicast_group = {
-	.name = OVS_FLOW_MCGROUP
+static const struct genl_multicast_group ovs_dp_flow_multicast_group = {
+	.name = OVS_FLOW_MCGROUP,
 };
 
-static struct genl_multicast_group ovs_dp_datapath_multicast_group = {
-	.name = OVS_DATAPATH_MCGROUP
+static const struct genl_multicast_group ovs_dp_datapath_multicast_group = {
+	.name = OVS_DATAPATH_MCGROUP,
 };
 
-struct genl_multicast_group ovs_dp_vport_multicast_group = {
-	.name = OVS_VPORT_MCGROUP
+const struct genl_multicast_group ovs_dp_vport_multicast_group = {
+	.name = OVS_VPORT_MCGROUP,
 };
 
 /* Check if need to build a reply message.
@@ -93,7 +93,8 @@ static bool ovs_must_notify(struct genl_family *family, struct genl_info *info,
 	       genl_has_listeners(family, genl_info_net(info), group);
 }
 
-static void ovs_notify(struct genl_family *family, struct genl_multicast_group *grp,
+static void ovs_notify(struct genl_family *family,
+		       const struct genl_multicast_group *grp,
 		       struct sk_buff *skb, struct genl_info *info)
 {
 	genl_notify(family, skb, info, GROUP_ID(grp), GFP_KERNEL);
@@ -1442,7 +1443,7 @@ static const struct nla_policy flow_policy[OVS_FLOW_ATTR_MAX + 1] = {
 	[OVS_FLOW_ATTR_UFID_FLAGS] = { .type = NLA_U32 },
 };
 
-static struct genl_ops dp_flow_genl_ops[] = {
+static const struct genl_ops dp_flow_genl_ops[] = {
 	{ .cmd = OVS_FLOW_CMD_NEW,
 #ifdef HAVE_GENL_VALIDATE_FLAGS
 	  .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -1846,7 +1847,7 @@ static const struct nla_policy datapath_policy[OVS_DP_ATTR_MAX + 1] = {
 	[OVS_DP_ATTR_USER_FEATURES] = { .type = NLA_U32 },
 };
 
-static struct genl_ops dp_datapath_genl_ops[] = {
+static const struct genl_ops dp_datapath_genl_ops[] = {
 	{ .cmd = OVS_DP_CMD_NEW,
 #ifdef HAVE_GENL_VALIDATE_FLAGS
 	  .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -2303,7 +2304,7 @@ static const struct nla_policy vport_policy[OVS_VPORT_ATTR_MAX + 1] = {
 	[OVS_VPORT_ATTR_NETNSID] = { .type = NLA_S32 },
 };
 
-static struct genl_ops dp_vport_genl_ops[] = {
+static const struct genl_ops dp_vport_genl_ops[] = {
 	{ .cmd = OVS_VPORT_CMD_NEW,
 #ifdef HAVE_GENL_VALIDATE_FLAGS
 	  .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
diff --git a/datapath/datapath.h b/datapath/datapath.h
index ee7666215..3bffa1dcb 100644
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -237,7 +237,7 @@ static inline struct datapath *get_dp(struct net *net, int dp_ifindex)
 
 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 *);