igb: remove never changed variable `ret_val'

The variable used for return status in `igb_write_xmdio_reg' function
is never changed  and this function is just need return 0. Thus, the
`ret_val' can be removed and return 0 at the end of the
`igb_write_xmdio_reg' function.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c
index 9265901455cdd9652c97ec078f11274e00681135..b9b9d35494d273e224427348ba5da11d117686b2 100644 (file)
--- a/drivers/net/ethernet/intel/igb/e1000_i210.c
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -792,7 +792,6 @@ s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
  **/
 s32 igb_init_nvm_params_i210(struct e1000_hw *hw)
 {
-       s32 ret_val = 0;
        struct e1000_nvm_info *nvm = &hw->nvm;
 
        nvm->ops.acquire = igb_acquire_nvm_i210;
@@ -813,7 +812,7 @@ s32 igb_init_nvm_params_i210(struct e1000_hw *hw)
                nvm->ops.validate = NULL;
                nvm->ops.update   = NULL;
        }
-       return ret_val;
+       return 0;
 }
 
 /**