net: atm: constify in_cache_ops and eg_cache_ops structures

The in_cache_ops and eg_cache_ops structures are never modified, so declare
them as const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/atm/mpc.h

@@ -21,11 +21,11 @@ struct mpoa_client {
 	uint8_t our_ctrl_addr[ATM_ESA_LEN];  /* MPC's control ATM address   */
 
 	rwlock_t ingress_lock;
-	struct in_cache_ops *in_ops; /* ingress cache operations            */
+	const struct in_cache_ops *in_ops; /* ingress cache operations      */
 	in_cache_entry *in_cache;    /* the ingress cache of this MPC       */
 
 	rwlock_t egress_lock;
-	struct eg_cache_ops *eg_ops; /* egress cache operations             */
+	const struct eg_cache_ops *eg_ops; /* egress cache operations       */
 	eg_cache_entry *eg_cache;    /* the egress  cache of this MPC       */
 
 	uint8_t *mps_macs;           /* array of MPS MAC addresses, >=1     */

net/atm/mpoa_caches.c

@@ -534,7 +534,7 @@ static void eg_destroy_cache(struct mpoa_client *mpc)
 }
 
 
-static struct in_cache_ops ingress_ops = {
+static const struct in_cache_ops ingress_ops = {
 	in_cache_add_entry,               /* add_entry       */
 	in_cache_get,                     /* get             */
 	in_cache_get_with_mask,           /* get_with_mask   */
@@ -548,7 +548,7 @@ static struct in_cache_ops ingress_ops = {
 	in_destroy_cache                  /* destroy_cache   */
 };
 
-static struct eg_cache_ops egress_ops = {
+static const struct eg_cache_ops egress_ops = {
 	eg_cache_add_entry,               /* add_entry        */
 	eg_cache_get_by_cache_id,         /* get_by_cache_id  */
 	eg_cache_get_by_tag,              /* get_by_tag       */