From: Sasha Neftin <sasha.neftin@intel.com>
Date: Tue, 11 Dec 2018 18:55:41 +0200
Subject: igc: Remove unreachable code from igc_phy.c file
Patch-mainline: v5.1-rc1
Git-commit: 803cc52323e0c863d3f08740b8c156593a5ca1e9
References: jsc#SLE-4799

Address community comment.
Remove the unreachable code leads to the static checker warning.
PHY functionality will be added later per demand.
Reported by Dan Carpenter.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/igc/igc_phy.c |    8 --------
 1 file changed, 8 deletions(-)

--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -152,7 +152,6 @@ void igc_power_down_phy_copper(struct ig
 s32 igc_check_downshift(struct igc_hw *hw)
 {
 	struct igc_phy_info *phy = &hw->phy;
-	u16 phy_data, offset, mask;
 	s32 ret_val;
 
 	switch (phy->type) {
@@ -161,15 +160,8 @@ s32 igc_check_downshift(struct igc_hw *h
 		/* speed downshift not supported */
 		phy->speed_downgraded = false;
 		ret_val = 0;
-		goto out;
 	}
 
-	ret_val = phy->ops.read_reg(hw, offset, &phy_data);
-
-	if (!ret_val)
-		phy->speed_downgraded = (phy_data & mask) ? true : false;
-
-out:
 	return ret_val;
 }