net/atm: Remove unnecessary casts of netdev_priv

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index ad2b232..fce2eae 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -97,7 +97,7 @@
 
 static inline struct br2684_dev *BRPRIV(const struct net_device *net_dev)
 {
-	return (struct br2684_dev *)netdev_priv(net_dev);
+	return netdev_priv(net_dev);
 }
 
 static inline struct net_device *list_entry_brdev(const struct list_head *le)