net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index f6481da..a8e4e83 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -449,7 +449,7 @@
 
 static inline int atm_guess_pdu2truesize(int size)
 {
-	return (SKB_DATA_ALIGN(size) + sizeof(struct skb_shared_info));
+	return SKB_DATA_ALIGN(size) + sizeof(struct skb_shared_info);
 }
 
 
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index fb6aa60..f16a010 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -71,7 +71,7 @@
  */
 static inline int is_multicast_ether_addr(const u8 *addr)
 {
-	return (0x01 & addr[0]);
+	return 0x01 & addr[0];
 }
 
 /**
@@ -82,7 +82,7 @@
  */
 static inline int is_local_ether_addr(const u8 *addr)
 {
-	return (0x02 & addr[0]);
+	return 0x02 & addr[0];
 }
 
 /**
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f7f1302..45dcda5b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1676,7 +1676,7 @@
  */
 static inline int netif_is_multiqueue(const struct net_device *dev)
 {
-	return (dev->num_tx_queues > 1);
+	return dev->num_tx_queues > 1;
 }
 
 extern void netif_set_real_num_tx_queues(struct net_device *dev,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9e8085a..b2c41d1 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -601,7 +601,7 @@
 static inline bool skb_queue_is_last(const struct sk_buff_head *list,
 				     const struct sk_buff *skb)
 {
-	return (skb->next == (struct sk_buff *) list);
+	return skb->next == (struct sk_buff *)list;
 }
 
 /**
@@ -614,7 +614,7 @@
 static inline bool skb_queue_is_first(const struct sk_buff_head *list,
 				      const struct sk_buff *skb)
 {
-	return (skb->prev == (struct sk_buff *) list);
+	return skb->prev == (struct sk_buff *)list;
 }
 
 /**
@@ -2156,7 +2156,7 @@
 
 static inline bool skb_rx_queue_recorded(const struct sk_buff *skb)
 {
-	return (skb->queue_mapping != 0);
+	return skb->queue_mapping != 0;
 }
 
 extern u16 skb_tx_hash(const struct net_device *dev,