hpsa: propagate the error code in hpsa_kdump_soft_reset

If hpsa_wait_for_board_state fails, hpsa_kdump_soft_reset
should propagate its return value (e.g., -ENODEV) rather
than just returning -1.
Reviewed-by: NScott Teel <scott.teel@pmcs.com>
Reviewed-by: NKevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: NHannes Reinecke <hare@Suse.de>
Signed-off-by: NRobert Elliott <elliott@hp.com>
Signed-off-by: NDon Brace <don.brace@pmcs.com>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJames Bottomley <JBottomley@Odin.com>

drivers/scsi/hpsa.c

@@ -7438,19 +7438,22 @@ static int hpsa_request_irqs(struct ctlr_info *h,
 
 static int hpsa_kdump_soft_reset(struct ctlr_info *h)
 {
+	int rc;
 	hpsa_send_host_reset(h, RAID_CTLR_LUNID, HPSA_RESET_TYPE_CONTROLLER);
 
 	dev_info(&h->pdev->dev, "Waiting for board to soft reset.\n");
-	if (hpsa_wait_for_board_state(h->pdev, h->vaddr, BOARD_NOT_READY)) {
+	rc = hpsa_wait_for_board_state(h->pdev, h->vaddr, BOARD_NOT_READY);
+	if (rc) {
 		dev_warn(&h->pdev->dev, "Soft reset had no effect.\n");
-		return -1;
+		return rc;
 	}
 
 	dev_info(&h->pdev->dev, "Board reset, awaiting READY status.\n");
-	if (hpsa_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY)) {
+	rc = hpsa_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY);
+	if (rc) {
 		dev_warn(&h->pdev->dev, "Board failed to become ready "
 			"after soft reset.\n");
-		return -1;
+		return rc;
 	}
 
 	return 0;