wan: make LAPB callbacks const

This is compile tested only.
Suggested by dumpster diving in PAX.

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

1 files changed, 15 insertions, 14 deletions

diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index 956b7e47dc52..8d0324bac01c 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -139,7 +139,8 @@ out:
         return lapb;
 }
 
-int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks)
+int lapb_register(struct net_device *dev,
+                  const struct lapb_register_struct *callbacks)
 {
         struct lapb_cb *lapb;
         int rc = LAPB_BADTOKEN;
@@ -158,7 +159,7 @@ int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks
                 goto out;
 
         lapb->dev       = dev;
-        lapb->callbacks = *callbacks;
+        lapb->callbacks = callbacks;
 
         __lapb_insert_cb(lapb);
 
@@ -380,32 +381,32 @@ int lapb_data_received(struct net_device *dev, struct sk_buff *skb)
 
 void lapb_connect_confirmation(struct lapb_cb *lapb, int reason)
 {
-        if (lapb->callbacks.connect_confirmation)
-                lapb->callbacks.connect_confirmation(lapb->dev, reason);
+        if (lapb->callbacks->connect_confirmation)
+                lapb->callbacks->connect_confirmation(lapb->dev, reason);
 }
 
 void lapb_connect_indication(struct lapb_cb *lapb, int reason)
 {
-        if (lapb->callbacks.connect_indication)
-                lapb->callbacks.connect_indication(lapb->dev, reason);
+        if (lapb->callbacks->connect_indication)
+                lapb->callbacks->connect_indication(lapb->dev, reason);
 }
 
 void lapb_disconnect_confirmation(struct lapb_cb *lapb, int reason)
 {
-        if (lapb->callbacks.disconnect_confirmation)
-                lapb->callbacks.disconnect_confirmation(lapb->dev, reason);
+        if (lapb->callbacks->disconnect_confirmation)
+                lapb->callbacks->disconnect_confirmation(lapb->dev, reason);
 }
 
 void lapb_disconnect_indication(struct lapb_cb *lapb, int reason)
 {
-        if (lapb->callbacks.disconnect_indication)
-                lapb->callbacks.disconnect_indication(lapb->dev, reason);
+        if (lapb->callbacks->disconnect_indication)
+                lapb->callbacks->disconnect_indication(lapb->dev, reason);
 }
 
 int lapb_data_indication(struct lapb_cb *lapb, struct sk_buff *skb)
 {
-        if (lapb->callbacks.data_indication)
-                return lapb->callbacks.data_indication(lapb->dev, skb);
+        if (lapb->callbacks->data_indication)
+                return lapb->callbacks->data_indication(lapb->dev, skb);
 
         kfree_skb(skb);
         return NET_RX_SUCCESS; /* For now; must be != NET_RX_DROP */
@@ -415,8 +416,8 @@ int lapb_data_transmit(struct lapb_cb *lapb, struct sk_buff *skb)
 {
         int used = 0;
 
-        if (lapb->callbacks.data_transmit) {
-                lapb->callbacks.data_transmit(lapb->dev, skb);
+        if (lapb->callbacks->data_transmit) {
+                lapb->callbacks->data_transmit(lapb->dev, skb);
                 used = 1;
         }