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/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 3d1c549..7204a4b 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -815,7 +815,7 @@
 	((s >> 8) != (s & 0xff))) {
 	SMC_SELECT_BANK(3);
 	s = inw(ioaddr + REVISION);
-	return (s & 0xff);
+	return s & 0xff;
     }
 
     if (width) {