e1000e: cleanup: always return 0

These are a few instances of returning a value that can only be 0 so just
use a 'return 0' to make it more obvious.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

4 files changed, 4 insertions, 4 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 024ac243e23f..05e9a2911168 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -796,7 +796,7 @@ static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
          * otherwise, commit the checksum to the flash NVM.
          */
         if (hw->nvm.type != e1000_nvm_flash_hw)
-                return ret_val;
+                return 0;
 
         /* Check for pending operations. */
         for (i = 0; i < E1000_FLASH_UPDATES; i++) {
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 6ab7254487ad..ce348cd99d53 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1948,7 +1948,7 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
         u16 data;
 
         if (phy->type == e1000_phy_ife)
-                return ret_val;
+                return 0;
 
         phy_ctrl = er32(PHY_CTRL);
 
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
index ce8a55a584be..b3b2f9e567ff 100644
--- a/drivers/net/ethernet/intel/e1000e/mac.c
+++ b/drivers/net/ethernet/intel/e1000e/mac.c
@@ -444,7 +444,7 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
                 return ret_val;
 
         if (!link)
-                return ret_val; /* No link detected */
+                return 0;       /* No link detected */
 
         mac->get_link_status = false;
 
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index 323cb145f849..a8b99bae0222 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -1916,7 +1916,7 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
 
         phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-        return ret_val;
+        return 0;
 }
 
 /**