openvswitch: Constify various function arguments

Help produce better optimized code.

Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 7146b38a954e..65561ebb489e 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -178,7 +178,7 @@ const char *ovs_dp_name(const struct datapath *dp)
         return vport->ops->get_name(vport);
 }
 
-static int get_dpifindex(struct datapath *dp)
+static int get_dpifindex(const struct datapath *dp)
 {
         struct vport *local;
         int ifindex;
@@ -633,7 +633,7 @@ static struct genl_family dp_packet_genl_family = {
         .n_ops = ARRAY_SIZE(dp_packet_genl_ops),
 };
 
-static void get_dp_stats(struct datapath *dp, struct ovs_dp_stats *stats,
+static void get_dp_stats(const struct datapath *dp, struct ovs_dp_stats *stats,
                          struct ovs_dp_megaflow_stats *mega_stats)
 {
         int i;
@@ -1352,7 +1352,7 @@ static struct sk_buff *ovs_dp_cmd_alloc_info(struct genl_info *info)
 
 /* Called with rcu_read_lock or ovs_mutex. */
 static struct datapath *lookup_datapath(struct net *net,
-                                        struct ovs_header *ovs_header,
+                                        const struct ovs_header *ovs_header,
                                         struct nlattr *a[OVS_DP_ATTR_MAX + 1])
 {
         struct datapath *dp;
@@ -1380,7 +1380,7 @@ static void ovs_dp_reset_user_features(struct sk_buff *skb, struct genl_info *in
         dp->user_features = 0;
 }
 
-static void ovs_dp_change(struct datapath *dp, struct nlattr **a)
+static void ovs_dp_change(struct datapath *dp, struct nlattr *a[])
 {
         if (a[OVS_DP_ATTR_USER_FEATURES])
                 dp->user_features = nla_get_u32(a[OVS_DP_ATTR_USER_FEATURES]);
@@ -1744,7 +1744,7 @@ struct sk_buff *ovs_vport_cmd_build_info(struct vport *vport, u32 portid,
 
 /* Called with ovs_mutex or RCU read lock. */
 static struct vport *lookup_vport(struct net *net,
-                                  struct ovs_header *ovs_header,
+                                  const struct ovs_header *ovs_header,
                                   struct nlattr *a[OVS_VPORT_ATTR_MAX + 1])
 {
         struct datapath *dp;