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/ixgb/ixgb_ee.c b/drivers/net/ixgb/ixgb_ee.c
index 813993f..c982ab9 100644
--- a/drivers/net/ixgb/ixgb_ee.c
+++ b/drivers/net/ixgb/ixgb_ee.c
@@ -296,12 +296,12 @@
 		eecd_reg = IXGB_READ_REG(hw, EECD);
 
 		if (eecd_reg & IXGB_EECD_DO)
-			return (true);
+			return true;
 
 		udelay(50);
 	}
 	ASSERT(0);
-	return (false);
+	return false;
 }
 
 /******************************************************************************
@@ -327,9 +327,9 @@
 		checksum += ixgb_read_eeprom(hw, i);
 
 	if (checksum == (u16) EEPROM_SUM)
-		return (true);
+		return true;
 	else
-		return (false);
+		return false;
 }
 
 /******************************************************************************
@@ -439,7 +439,7 @@
 	/*  End this read operation  */
 	ixgb_standby_eeprom(hw);
 
-	return (data);
+	return data;
 }
 
 /******************************************************************************
@@ -476,16 +476,16 @@
 		/* clear the init_ctrl_reg_1 to signify that the cache is
 		 * invalidated */
 		ee_map->init_ctrl_reg_1 = cpu_to_le16(EEPROM_ICW1_SIGNATURE_CLEAR);
-		return (false);
+		return false;
 	}
 
 	if ((ee_map->init_ctrl_reg_1 & cpu_to_le16(EEPROM_ICW1_SIGNATURE_MASK))
 		 != cpu_to_le16(EEPROM_ICW1_SIGNATURE_VALID)) {
 		pr_debug("Signature invalid\n");
-		return(false);
+		return false;
 	}
 
-	return(true);
+	return true;
 }
 
 /******************************************************************************
@@ -505,7 +505,7 @@
 
 	if ((ee_map->init_ctrl_reg_1 & cpu_to_le16(EEPROM_ICW1_SIGNATURE_MASK))
 	    == cpu_to_le16(EEPROM_ICW1_SIGNATURE_VALID)) {
-		return (true);
+		return true;
 	} else {
 		return ixgb_get_eeprom_data(hw);
 	}
@@ -526,10 +526,10 @@
 
 	if ((index < IXGB_EEPROM_SIZE) &&
 		(ixgb_check_and_get_eeprom_data(hw) == true)) {
-	   return(hw->eeprom[index]);
+	   return hw->eeprom[index];
 	}
 
-	return(0);
+	return 0;
 }
 
 /******************************************************************************
@@ -570,10 +570,10 @@
 ixgb_get_ee_pba_number(struct ixgb_hw *hw)
 {
 	if (ixgb_check_and_get_eeprom_data(hw) == true)
-		return (le16_to_cpu(hw->eeprom[EEPROM_PBA_1_2_REG])
-			| (le16_to_cpu(hw->eeprom[EEPROM_PBA_3_4_REG])<<16));
+		return le16_to_cpu(hw->eeprom[EEPROM_PBA_1_2_REG])
+			| (le16_to_cpu(hw->eeprom[EEPROM_PBA_3_4_REG])<<16);
 
-	return(0);
+	return 0;
 }
 
 
@@ -591,8 +591,8 @@
 	struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
 
 	if (ixgb_check_and_get_eeprom_data(hw) == true)
-		return (le16_to_cpu(ee_map->device_id));
+		return le16_to_cpu(ee_map->device_id);
 
-	return (0);
+	return 0;
 }
 
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index a4ed96c..43994c1 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -410,7 +410,7 @@
 ixgb_get_eeprom_len(struct net_device *netdev)
 {
 	/* return size in bytes */
-	return (IXGB_EEPROM_SIZE << 1);
+	return IXGB_EEPROM_SIZE << 1;
 }
 
 static int
diff --git a/drivers/net/ixgb/ixgb_hw.c b/drivers/net/ixgb/ixgb_hw.c
index 397acab..6cb2e42 100644
--- a/drivers/net/ixgb/ixgb_hw.c
+++ b/drivers/net/ixgb/ixgb_hw.c
@@ -167,7 +167,7 @@
 	/* Clear any pending interrupt events. */
 	icr_reg = IXGB_READ_REG(hw, ICR);
 
-	return (ctrl_reg & IXGB_CTRL0_RST);
+	return ctrl_reg & IXGB_CTRL0_RST;
 }
 
 
@@ -209,7 +209,7 @@
 		xpak_vendor = ixgb_xpak_vendor_infineon;
 	}
 
-	return (xpak_vendor);
+	return xpak_vendor;
 }
 
 /******************************************************************************
@@ -273,7 +273,7 @@
 	if (hw->subsystem_vendor_id == SUN_SUBVENDOR_ID)
 		phy_type = ixgb_phy_type_bcm;
 
-	return (phy_type);
+	return phy_type;
 }
 
 /******************************************************************************
@@ -366,7 +366,7 @@
 	/* 82597EX errata: Call check-for-link in case lane deskew is locked */
 	ixgb_check_for_link(hw);
 
-	return (status);
+	return status;
 }
 
 /******************************************************************************
@@ -531,7 +531,7 @@
 	}
 
 	hash_value &= 0xFFF;
-	return (hash_value);
+	return hash_value;
 }
 
 /******************************************************************************
@@ -715,7 +715,7 @@
 		}
 		IXGB_WRITE_REG(hw, FCRTH, hw->fc.high_water);
 	}
-	return (status);
+	return status;
 }
 
 /******************************************************************************
@@ -1140,7 +1140,7 @@
 		pr_debug("MAC address is all zeros\n");
 		is_valid = false;
 	}
-	return (is_valid);
+	return is_valid;
 }
 
 /******************************************************************************