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[SCSI] mpt2sas: Corrected conditional checks for Internal device Reset 

bug fix in the handling of the internal device reset event
The reason code check in scsih_sas_device_status_change_event never
evaluates as true for internal device reset, hence driver never quiesce s IO
when firmware is sending a device reset. The fix is to change the
evaluate to:
if (event_data->ReasonCode !=
    MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
   event_data->ReasonCode !=
    MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
        return;

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Kashyap, Desai 2010-03-17 16:22:21 +05:30 committed by James Bottomley
parent 7921b35c5f
commit f891dcfdc1
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/mpt2sas/mpt2sas_scsih.c
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@ -4435,10 +4435,10 @@ _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
event_data);
#endif
if (!(event_data->ReasonCode ==
if (event_data->ReasonCode !=
MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
event_data->ReasonCode ==
MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET))
event_data->ReasonCode !=
MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
return;
spin_lock_irqsave(&ioc->sas_device_lock, flags);