If the host returns error for pass through commands, deal with
appropriately. I would like to thank James for patiently helping
me with this patch.
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
---
drivers/scsi/storvsc_drv.c | 20 ++++++++++++++++----
1 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 83a1972..5053769 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -785,12 +785,24 @@ static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request)
/*
* If there is an error; offline the device since all
* error recovery strategies would have already been
- * deployed on the host side.
+ * deployed on the host side. However, if the command
+ * were a pass-through command deal with it appropriately.
*/
- if (vm_srb->srb_status == SRB_STATUS_ERROR)
- scmnd->result = DID_TARGET_FAILURE << 16;
- else
+ switch (vm_srb->srb_status) {
+ case SRB_STATUS_ERROR:
+ switch (scmnd->cmnd[0]) {
+ case ATA_16:
+ case ATA_12:
+ scmnd->result = DID_PASSTHROUGH << 16;
+ break;
+ default:
+ scmnd->result = DID_TARGET_FAILURE << 16;
+ }
+ break;
+ default:
scmnd->result = vm_srb->scsi_status;
+ }
+
/*
* If the LUN is invalid; remove the device.
--
1.7.4.1
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