On 5/24/23 06:41, Pranav Prasad wrote: > From: Changyuan Lyu <changyuanl@xxxxxxxxxx> > > This patch adds a fatal error check for the pm8001_phy_control() function. > > Signed-off-by: Changyuan Lyu <changyuanl@xxxxxxxxxx> > Signed-off-by: Pranav Prasad <pranavpp@xxxxxxxxxx> > --- > drivers/scsi/pm8001/pm8001_sas.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c > index e5673c774f66..b153f0966e5d 100644 > --- a/drivers/scsi/pm8001/pm8001_sas.c > +++ b/drivers/scsi/pm8001/pm8001_sas.c > @@ -167,6 +167,16 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, > pm8001_ha = sas_phy->ha->lldd_ha; > phy = &pm8001_ha->phy[phy_id]; > pm8001_ha->phy[phy_id].enable_completion = &completion; > + > + if (PM8001_CHIP_DISP->fatal_errors(pm8001_ha)) { > + /* If the controller is in fatal error state, > + * we will not get a response from the controller > + */ Multi-line comment style: must start with an empty "/*" line. > + pm8001_dbg(pm8001_ha, FAIL, > + "Phy control failed due to fatal errors\n"); Please align the args together. > + return -EFAULT; > + } > + > switch (func) { > case PHY_FUNC_SET_LINK_RATE: > rates = funcdata; -- Damien Le Moal Western Digital Research