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e1000e: potentially incorrect return for e1000_set_d3_lplu_state_ich8lan 

In the unlikely event that e1e_wphy() returns an error, the returned error
code is not propogated to the caller of e1000_set_d3_lplu_state_ich8lan().
With this change, there is a rare possibility that ret_val might not get
set so it must be initialized.

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>
This commit is contained in:
Bruce Allan 2012-02-08 02:55:14 +00:00 committed by Jeff Kirsher
parent 826072555b
commit d7eb33840b
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/e1000e/ich8lan.c
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@ -2030,7 +2030,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
{
struct e1000_phy_info *phy = &hw->phy;
u32 phy_ctrl;
s32 ret_val;
s32 ret_val = 0;
u16 data;
phy_ctrl = er32(PHY_CTRL);
@ -2096,7 +2096,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
}
return 0;
return ret_val;
}
/**