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: Sumant Patro <[EMAIL PROTECTED]>
---

 drivers/scsi/megaraid/megaraid_sas.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletion(-)

diff -uprN linux-feb13-orig/drivers/scsi/megaraid/megaraid_sas.c 
linux-feb13-new-p1/drivers/scsi/megaraid/megaraid_sas.c
--- linux-feb13-orig/drivers/scsi/megaraid/megaraid_sas.c       2007-02-13 
06:44:46.000000000 -0800
+++ linux-feb13-new-p1/drivers/scsi/megaraid/megaraid_sas.c     2007-02-13 
07:18:39.000000000 -0800
@@ -841,6 +841,11 @@ megasas_queue_command(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 megas
        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(uns
        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;
 


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to