[ATM]: use NIPQUAD instead of open-coding it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/atm/mpc.c

@@ -560,7 +560,6 @@ static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 	struct atmmpc_ioc ioc_data;
 	in_cache_entry *in_entry;
 	uint32_t  ipaddr;
-	unsigned char *ip;
 
 	bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmmpc_ioc));
 	if (bytes_left != 0) {
@@ -583,9 +582,8 @@ static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 			if (in_entry != NULL) mpc->in_ops->put(in_entry);
 			return -EINVAL;
 		}
-		ip = (unsigned char*)&in_entry->ctrl_info.in_dst_ip;
 		printk("mpoa: (%s) mpc_vcc_attach: attaching ingress SVC, entry = %u.%u.%u.%u\n",
-		       mpc->dev->name, ip[0], ip[1], ip[2], ip[3]);
+		       mpc->dev->name, NIPQUAD(in_entry->ctrl_info.in_dst_ip));
 		in_entry->shortcut = vcc;
 		mpc->in_ops->put(in_entry);
 	} else {
@@ -616,10 +614,8 @@ static void mpc_vcc_close(struct atm_vcc *vcc, struct net_device *dev)
 	dprintk("mpoa: (%s) mpc_vcc_close:\n", dev->name);
 	in_entry = mpc->in_ops->get_by_vcc(vcc, mpc);
 	if (in_entry) {
-		unsigned char *ip __attribute__ ((unused)) =
-		    (unsigned char *)&in_entry->ctrl_info.in_dst_ip;
 		dprintk("mpoa: (%s) mpc_vcc_close: ingress SVC closed ip = %u.%u.%u.%u\n",
-		       mpc->dev->name, ip[0], ip[1], ip[2], ip[3]);
+		       mpc->dev->name, NIPQUAD(in_entry->ctrl_info.in_dst_ip));
 		in_entry->shortcut = NULL;
 		mpc->in_ops->put(in_entry);
 	}
@@ -1154,18 +1150,17 @@ static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
 {
 	uint32_t dst_ip = msg->content.in_info.in_dst_ip;
 	uint32_t mask = msg->ip_mask;
-	unsigned char *ip = (unsigned char *)&dst_ip;
 	in_cache_entry *entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);
 
 	if(entry == NULL){
 		printk("mpoa: (%s) ingress_purge_rcvd: purge for a non-existing entry, ", mpc->dev->name);
-		printk("ip = %u.%u.%u.%u\n", ip[0], ip[1], ip[2], ip[3]);
+		printk("ip = %u.%u.%u.%u\n", NIPQUAD(dst_ip));
 		return;
 	}
 
 	do {
 		dprintk("mpoa: (%s) ingress_purge_rcvd: removing an ingress entry, ip = %u.%u.%u.%u\n" ,
-			mpc->dev->name, ip[0], ip[1], ip[2], ip[3]);
+			mpc->dev->name, NIPQUAD(dst_ip));
 		write_lock_bh(&mpc->ingress_lock);
 		mpc->in_ops->remove_entry(entry, mpc);
 		write_unlock_bh(&mpc->ingress_lock);

net/atm/mpoa_caches.c

@@ -87,7 +87,6 @@ static in_cache_entry *in_cache_get_by_vcc(struct atm_vcc *vcc,
 static in_cache_entry *in_cache_add_entry(uint32_t dst_ip,
 					  struct mpoa_client *client)
 {
-	unsigned char *ip __attribute__ ((unused)) = (unsigned char *)&dst_ip;
 	in_cache_entry* entry = kmalloc(sizeof(in_cache_entry), GFP_KERNEL);
 
 	if (entry == NULL) {
@@ -95,7 +94,7 @@ static in_cache_entry *in_cache_add_entry(uint32_t dst_ip,
 		return NULL;
 	}
 
-	dprintk("mpoa: mpoa_caches.c: adding an ingress entry, ip = %u.%u.%u.%u\n", ip[0], ip[1], ip[2], ip[3]);
+	dprintk("mpoa: mpoa_caches.c: adding an ingress entry, ip = %u.%u.%u.%u\n", NIPQUAD(dst_ip));
 	memset(entry,0,sizeof(in_cache_entry));
 
 	atomic_set(&entry->use, 1);
@@ -152,10 +151,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc)
 
 	if( entry->count > mpc->parameters.mpc_p1 &&
 	    entry->entry_state == INGRESS_INVALID){
-		unsigned char *ip __attribute__ ((unused)) =
-		    (unsigned char *)&entry->ctrl_info.in_dst_ip;
-
-		dprintk("mpoa: (%s) mpoa_caches.c: threshold exceeded for ip %u.%u.%u.%u, sending MPOA res req\n", mpc->dev->name, ip[0], ip[1], ip[2], ip[3]);
+		dprintk("mpoa: (%s) mpoa_caches.c: threshold exceeded for ip %u.%u.%u.%u, sending MPOA res req\n", mpc->dev->name, NIPQUAD(entry->ctrl_info.in_dst_ip));
 		entry->entry_state = INGRESS_RESOLVING;
 		msg.type =  SND_MPOA_RES_RQST;
 		memcpy(msg.MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN );
@@ -187,11 +183,9 @@ static void in_cache_remove_entry(in_cache_entry *entry,
 {
 	struct atm_vcc *vcc;
 	struct k_message msg;
-	unsigned char *ip;
 
 	vcc = entry->shortcut;
-	ip = (unsigned char *)&entry->ctrl_info.in_dst_ip;
-	dprintk("mpoa: mpoa_caches.c: removing an ingress entry, ip = %u.%u.%u.%u\n",ip[0], ip[1], ip[2], ip[3]);
+	dprintk("mpoa: mpoa_caches.c: removing an ingress entry, ip = %u.%u.%u.%u\n",NIPQUAD(entry->ctrl_info.in_dst_ip));
 
 	if (entry->prev != NULL)
 		entry->prev->next = entry->next;