net: bridge: use netif_is_bridge_port()

Replace the br_port_exists() macro with its twin from netdevice.h

CC: Roopa Prabhu <roopa@cumulusnetworks.com>
CC: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_if.c

@@ -179,7 +179,7 @@ int nbp_backup_change(struct net_bridge_port *p,
 	ASSERT_RTNL();
 
 	if (backup_dev) {
-		if (!br_port_exists(backup_dev))
+		if (!netif_is_bridge_port(backup_dev))
 			return -ENOENT;
 
 		backup_p = br_port_get_rtnl(backup_dev);

net/bridge/br_multicast.c

@@ -2189,7 +2189,7 @@ int br_multicast_list_adjacent(struct net_device *dev,
 	int count = 0;
 
 	rcu_read_lock();
-	if (!br_ip_list || !br_port_exists(dev))
+	if (!br_ip_list || !netif_is_bridge_port(dev))
 		goto unlock;
 
 	port = br_port_get_rcu(dev);
@@ -2236,7 +2236,7 @@ bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto)
 	bool ret = false;
 
 	rcu_read_lock();
-	if (!br_port_exists(dev))
+	if (!netif_is_bridge_port(dev))
 		goto unlock;
 
 	port = br_port_get_rcu(dev);
@@ -2272,7 +2272,7 @@ bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto)
 	bool ret = false;
 
 	rcu_read_lock();
-	if (!br_port_exists(dev))
+	if (!netif_is_bridge_port(dev))
 		goto unlock;
 
 	port = br_port_get_rcu(dev);

net/bridge/br_netlink.c

@@ -102,7 +102,7 @@ static size_t br_get_link_af_size_filtered(const struct net_device *dev,
 	size_t vinfo_sz = 0;
 
 	rcu_read_lock();
-	if (br_port_exists(dev)) {
+	if (netif_is_bridge_port(dev)) {
 		p = br_port_get_rcu(dev);
 		vg = nbp_vlan_group_rcu(p);
 	} else if (dev->priv_flags & IFF_EBRIDGE) {

net/bridge/br_private.h

@@ -288,22 +288,20 @@ struct net_bridge_port {
 #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK)
 #define br_promisc_port(p) ((p)->flags & BR_PROMISC)
 
-#define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT)
-
 static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev)
 {
 	return rcu_dereference(dev->rx_handler_data);
 }
 
 static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev)
 {
-	return br_port_exists(dev) ?
+	return netif_is_bridge_port(dev) ?
 		rtnl_dereference(dev->rx_handler_data) : NULL;
 }
 
 static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev)
 {
-	return br_port_exists(dev) ?
+	return netif_is_bridge_port(dev) ?
 		rcu_dereference_rtnl(dev->rx_handler_data) : NULL;
 }