From 8ab7a9be03441db21d459cbb9c08400377c3556d Mon Sep 17 00:00:00 2001
From: Martin Pitt <martin.pitt@ubuntu.com>
Date: Wed, 26 Oct 2011 11:03:21 +0200
Subject: [PATCH] extras/keymap/findkeyboards: Filter out non-event devices

This avoids running udevadm info --query=name against a non-existing devnode,
which aborts the script early.
---
 extras/keymap/findkeyboards | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/extras/keymap/findkeyboards b/extras/keymap/findkeyboards
index 5a22649ec..fd64301da 100755
--- a/extras/keymap/findkeyboards
+++ b/extras/keymap/findkeyboards
@@ -21,6 +21,11 @@ keyboard_devices() {
     for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do
         walk=`udevadm info --attribute-walk --path=$dev`
 	env=`udevadm info --query=env --path=$dev`
+        # filter out non-event devices, such as the parent input devices which
+        # have no devnode
+        if ! echo "$env" | grep -q '^DEVNAME='; then
+            continue
+        fi
         if echo "$walk" | grep -q 'DRIVERS=="atkbd"'; then
             echo -n 'AT keyboard: '
 	elif echo "$env" | grep -q '^ID_USB_DRIVER=usbhid'; then
-- 
2.30.2