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 <[email protected]> Reviewed-by: K. Y. Srinivasan <[email protected]> Signed-off-by: K. Y. Srinivasan <[email protected]> Cc: <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
redbrain17 · Jan 5, 2017 · bba5dc3 · bba5dc3
1 parent 3cd6d3d
commit bba5dc3
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
@@ -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