--- zzzz-none-000/linux-3.10.107/drivers/uwb/hwa-rc.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/uwb/hwa-rc.c	2021-02-04 17:41:59.000000000 +0000
@@ -611,7 +611,16 @@
 int hwarc_reset(struct uwb_rc *uwb_rc)
 {
 	struct hwarc *hwarc = uwb_rc->priv;
-	return usb_reset_device(hwarc->usb_dev);
+	int result;
+
+	/* device lock must be held when calling usb_reset_device. */
+	result = usb_lock_device_for_reset(hwarc->usb_dev, NULL);
+	if (result >= 0) {
+		result = usb_reset_device(hwarc->usb_dev);
+		usb_unlock_device(hwarc->usb_dev);
+	}
+
+	return result;
 }
 
 /**
@@ -709,8 +718,10 @@
 
 error_neep_submit:
 	usb_free_urb(hwarc->neep_urb);
+	hwarc->neep_urb = NULL;
 error_urb_alloc:
 	free_page((unsigned long)hwarc->rd_buffer);
+	hwarc->rd_buffer = NULL;
 error_rd_buffer:
 	return -ENOMEM;
 }
@@ -723,7 +734,10 @@
 
 	usb_kill_urb(hwarc->neep_urb);
 	usb_free_urb(hwarc->neep_urb);
+	hwarc->neep_urb = NULL;
+
 	free_page((unsigned long)hwarc->rd_buffer);
+	hwarc->rd_buffer = NULL;
 }
 
 /**
@@ -903,6 +917,12 @@
 	/* Intel i1480 (using firmware 1.3PA2-20070828) */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x8086, 0x0c3b, 0xe0, 0x01, 0x02),
 	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
+	/* Alereon 5310 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x13dc, 0x5310, 0xe0, 0x01, 0x02),
+	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
+	/* Alereon 5611 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x13dc, 0x5611, 0xe0, 0x01, 0x02),
+	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
 	/* Generic match for the Radio Control interface */
 	{ USB_INTERFACE_INFO(0xe0, 0x01, 0x02), },
 	{ },