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Commit af37acfb authored by Sumant Patro's avatar Sumant Patro Committed by James Bottomley
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[SCSI] megaraid_sas: do not process cmds if hw_crit_error is set 



Checks if hw_crit_error is set.
If it is set, we donot process commands.
Checks added in megasas_queue_command and command completion routines.

Signed-off-by: default avatarSumant Patro <sumant.patro@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent a9b73202

drivers/scsi/megaraid/megaraid_sas.c

+12 −1
Original line number Diff line number Diff line
@@ -841,6 +841,11 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) 


	instance = (struct megasas_instance *)

	    scmd->device->host->hostdata;



	/* Don't process if we have already declared adapter dead */

	if (instance->hw_crit_error)

		return SCSI_MLQUEUE_HOST_BUSY;



	scmd->scsi_done = done;

	scmd->result = 0;
@@ -1282,11 +1287,13 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, u8 alt_status) 
	if(instance->instancet->clear_intr(instance->reg_set))

		return IRQ_NONE;



	if (instance->hw_crit_error)

		goto out_done;

        /*

	 * Schedule the tasklet for cmd completion

	 */

	tasklet_schedule(&instance->isr_tasklet);



out_done:

	return IRQ_HANDLED;

}
@@ -1741,6 +1748,10 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) 
	struct megasas_cmd *cmd;

	struct megasas_instance *instance = (struct megasas_instance *)instance_addr;



	/* If we have already declared adapter dead, donot complete cmds */

	if (instance->hw_crit_error)

		return;



	producer = *instance->producer;

	consumer = *instance->consumer;