net: use net_eq to compare nets

Generated with the following semantic patch

@@
struct net *n1;
struct net *n2;
@@
- n1 == n2
+ net_eq(n1, n2)

@@
struct net *n1;
struct net *n2;
@@
- n1 != n2
+ !net_eq(n1, n2)

applied over {include,net,drivers/net}.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/dev.c

@@ -985,7 +985,7 @@ rollback:
 	/* For now only devices in the initial network namespace
 	 * are in sysfs.
 	 */
-	if (net == &init_net) {
+	if (net_eq(net, &init_net)) {
 		ret = device_rename(&dev->dev, dev->name);
 		if (ret) {
 			memcpy(dev->name, oldname, IFNAMSIZ);
@@ -4792,7 +4792,7 @@ static void rollback_registered_many(struct list_head *head)
 	list_for_each_entry_safe(dev, aux, head, unreg_list) {
 		int new_net = 1;
 		list_for_each_entry(fdev, &pernet_list, unreg_list) {
-			if (dev_net(dev) == dev_net(fdev)) {
+			if (net_eq(dev_net(dev), dev_net(fdev))) {
 				new_net = 0;
 				dev_put(dev);
 				break;

net/core/neighbour.c

@@ -2092,7 +2092,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb,
 		if (h > s_h)
 			s_idx = 0;
 		for (n = tbl->hash_buckets[h], idx = 0; n; n = n->next) {
-			if (dev_net(n->dev) != net)
+			if (!net_eq(dev_net(n->dev), net))
 				continue;
 			if (idx < s_idx)
 				goto next;

net/core/net-sysfs.c

@@ -525,7 +525,7 @@ void netdev_unregister_kobject(struct net_device * net)
 
 	kobject_get(&dev->kobj);
 
-	if (dev_net(net) != &init_net)
+	if (!net_eq(dev_net(net), &init_net))
 		return;
 
 	device_del(dev);
@@ -559,7 +559,7 @@ int netdev_register_kobject(struct net_device *net)
 #endif
 #endif /* CONFIG_SYSFS */
 
-	if (dev_net(net) != &init_net)
+	if (!net_eq(dev_net(net), &init_net))
 		return 0;
 
 	return device_add(dev);

net/core/net_namespace.c

@@ -280,7 +280,7 @@ out_undo:
 	list_del(&ops->list);
 	if (ops->exit) {
 		for_each_net(undo_net) {
-			if (undo_net == net)
+			if (net_eq(undo_net, net))
 				goto undone;
 			ops->exit(undo_net);
 		}

net/core/sysctl_net_core.c

@@ -134,7 +134,7 @@ static __net_init int sysctl_core_net_init(struct net *net)
 	net->core.sysctl_somaxconn = SOMAXCONN;
 
 	tbl = netns_core_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
 		if (tbl == NULL)
 			goto err_dup;