Gustavo, The return value of ret_val seems used to check if the access to PHY/NVM got its semaphore, generally speaking, it is needed for every PHY access of this driver.
Reviewed-by: Ethan Zhao <ethan.z...@oracle.com> On Wed, Jun 21, 2017 at 5:22 AM, Gustavo A. R. Silva <garsi...@embeddedor.com> wrote: > 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 <garsi...@embeddedor.com> > --- > drivers/net/ethernet/intel/e1000e/ich8lan.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c > b/drivers/net/ethernet/intel/e1000e/ich8lan.c > index 68ea8b4..d6d4ed7 100644 > --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c > +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c > @@ -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; > } > } > > -- > 2.5.0 >