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/e100.c b/drivers/net/e100.c
index 8e2eab4..b0aa9e6 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2215,10 +2215,10 @@
 static int e100_asf(struct nic *nic)
 {
 	/* ASF can be enabled from eeprom */
-	return((nic->pdev->device >= 0x1050) && (nic->pdev->device <= 0x1057) &&
+	return (nic->pdev->device >= 0x1050) && (nic->pdev->device <= 0x1057) &&
 	   (nic->eeprom[eeprom_config_asf] & eeprom_asf) &&
 	   !(nic->eeprom[eeprom_config_asf] & eeprom_gcl) &&
-	   ((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE));
+	   ((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE);
 }
 
 static int e100_up(struct nic *nic)