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scsi: storvsc: properly handle SRB_ERROR when sense message is present 

When sense message is present on error, we should pass along to the upper
layer to decide how to deal with the error.
This patch fixes connectivity issues with Fiber Channel devices.

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Long Li 2016-12-14 18:46:02 -08:00 committed by Martin K. Petersen
parent 3cd6d3d9b1
commit bba5dc332e
1 changed files with 7 additions and 0 deletions
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7
drivers/scsi/storvsc_drv.c
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@ -924,6 +924,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
switch (SRB_STATUS(vm_srb->srb_status)) {
case SRB_STATUS_ERROR:
/*
* Let upper layer deal with error when
* sense message is present.
*/
if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID)
break;
/*
* If there is an error; offline the device since all
* error recovery strategies would have already been