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e1000e: add check on e1e_wphy() return value 

Check return value from call to e1e_wphy(). This value is being
checked during previous calls to function e1e_wphy() and it seems
a check was missing here.

Addresses-Coverity-ID: 1226905
Signed-off-by: Gustavo A R Silva <garsilva@embeddedor.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.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:
Gustavo A R Silva 2017-06-20 16:22:34 -05:00 committed by Jeff Kirsher
parent 26bd4e2db0
commit d75372a2da
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/intel/e1000e/ich8lan.c
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@ -2437,6 +2437,8 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
if (hw->phy.revision < 2) {
e1000e_phy_sw_reset(hw);
ret_val = e1e_wphy(hw, MII_BMCR, 0x3140);
if (ret_val)
return ret_val;
}
}