[SCSI] megaraid_sas: Return DID_ERROR for SCSI IO, when controller is in critical h/w error
Do not return SCSI_MLQUEUE_HOST_BUSY, but send DID_ERROR to SCSI mid-layer, if adapter is in critical error state. "SCSI_MLQUEUE_HOST_BUSY" will keep same SCSI command in loop and it is not a right return value, if controller is hardware critical error. Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com> Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -1471,6 +1471,14 @@ megasas_queue_command_lck(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd
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return SCSI_MLQUEUE_HOST_BUSY;
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spin_lock_irqsave(&instance->hba_lock, flags);
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if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) {
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spin_unlock_irqrestore(&instance->hba_lock, flags);
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scmd->result = DID_ERROR << 16;
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done(scmd);
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return 0;
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}
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if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) {
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spin_unlock_irqrestore(&instance->hba_lock, flags);
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return SCSI_MLQUEUE_HOST_BUSY;
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