From 823d73a524b15b7816cde6df4c446107d2ae8eb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Mon, 7 Aug 2017 23:00:53 +0200
Subject: [PATCH] udev: filter-out QEMU devices

Fixes QubesOS/qubes-issues#2969
---
 udev/udev-qubes-usb.rules | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/udev/udev-qubes-usb.rules b/udev/udev-qubes-usb.rules
index af39702..5c92861 100644
--- a/udev/udev-qubes-usb.rules
+++ b/udev/udev-qubes-usb.rules
@@ -3,6 +3,9 @@
 # Handle only USB devices
 SUBSYSTEM!="usb", GOTO="qubes_usb_end"
 
+# ignore qemu emulated devices in HVM
+ENV{ID_VENDOR}=="QEMU", GOTO="qubes_usb_end"
+
 ACTION=="add", IMPORT{program}="/usr/lib/qubes/udev-usb-add-change"
 ACTION=="change", IMPORT{program}="/usr/lib/qubes/udev-usb-add-change"
 ACTION=="remove", RUN+="/usr/lib/qubes/udev-usb-remove"