hpsa: fix memory leak in kdump hard reset

There is a potential memory leak in hpsa_kdump_hard_reset_controller.
Reviewed-by: NDon Brace <don.brace@pmcs.com>
Reviewed-by: NScott Teel <scott.teel@pmcs.com>
Signed-off-by: NTomas Henzl <thenzl@redhat.com>
Signed-off-by: NDon Brace <don.brace@pmcs.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/hpsa.c

@@ -5840,7 +5840,7 @@ static int hpsa_kdump_hard_reset_controller(struct pci_dev *pdev)
 	}
 	rc = write_driver_ver_to_cfgtable(cfgtable);
 	if (rc)
-		goto unmap_vaddr;
+		goto unmap_cfgtable;
 
 	/* If reset via doorbell register is supported, use that.
 	 * There are two such methods.  Favor the newest method.