uas: Drop fixed endpoint config handling

The fixed endpoint config code was only necessary to deal with an early
uas prototype which has never been released, so lets drop it and enforce
proper uas endpoint descriptors.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

drivers/usb/storage/uas.c

@@ -908,31 +908,17 @@ static void uas_configure_endpoints(struct uas_dev_info *devinfo)
 	devinfo->cmnd = NULL;
 
 	r = uas_find_endpoints(devinfo->intf->cur_altsetting, eps);
-
-	/*
-	 * Assume that if we didn't find a proper set of descriptors, we're
-	 * using a device with old firmware that happens to be set up like
-	 * this.
-	 */
-	if (r != 0) {
-		devinfo->cmd_pipe = usb_sndbulkpipe(udev, 1);
-		devinfo->status_pipe = usb_rcvbulkpipe(udev, 1);
-		devinfo->data_in_pipe = usb_rcvbulkpipe(udev, 2);
-		devinfo->data_out_pipe = usb_sndbulkpipe(udev, 2);
-
-		eps[1] = usb_pipe_endpoint(udev, devinfo->status_pipe);
-		eps[2] = usb_pipe_endpoint(udev, devinfo->data_in_pipe);
-		eps[3] = usb_pipe_endpoint(udev, devinfo->data_out_pipe);
-	} else {
-		devinfo->cmd_pipe = usb_sndbulkpipe(udev,
-					     usb_endpoint_num(&eps[0]->desc));
-		devinfo->status_pipe = usb_rcvbulkpipe(udev,
-					     usb_endpoint_num(&eps[1]->desc));
-		devinfo->data_in_pipe = usb_rcvbulkpipe(udev,
-					     usb_endpoint_num(&eps[2]->desc));
-		devinfo->data_out_pipe = usb_sndbulkpipe(udev,
-					     usb_endpoint_num(&eps[3]->desc));
-	}
+	if (r)
+		return r;
+
+	devinfo->cmd_pipe = usb_sndbulkpipe(udev,
+					    usb_endpoint_num(&eps[0]->desc));
+	devinfo->status_pipe = usb_rcvbulkpipe(udev,
+					    usb_endpoint_num(&eps[1]->desc));
+	devinfo->data_in_pipe = usb_rcvbulkpipe(udev,
+					    usb_endpoint_num(&eps[2]->desc));
+	devinfo->data_out_pipe = usb_sndbulkpipe(udev,
+					    usb_endpoint_num(&eps[3]->desc));
 
 	devinfo->qdepth = usb_alloc_streams(devinfo->intf, eps + 1, 3, 256,
 								GFP_KERNEL);