drivers/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/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c
index 89cf63b..c1d8ce9 100644
--- a/drivers/net/pcmcia/nmclan_cs.c
+++ b/drivers/net/pcmcia/nmclan_cs.c
@@ -521,7 +521,7 @@
       spin_unlock_irqrestore(&lp->bank_lock, flags);
       break;
   }
-  return (data & 0xFF);
+  return data & 0xFF;
 } /* mace_read */
 
 /* ----------------------------------------------------------------------------