QubesOS/qubes-linux-utils
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udev: make USB device version detection more generic

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Apparently some devices do not comply with standards (there is no such
thing as USB version 2.01), but other than that works fine. So take into
account only the major number of bcdUSB field.

Fixes QubesOS/qubes-issues#2158
This commit is contained in:
Marek Marczykowski-Górecki 2016-07-08 10:40:12 +02:00
parent 281c628b0e
commit f7eea5548a
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1 changed files with 1 additions and 11 deletions
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udev/udev-usb-add-change
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@ -21,17 +21,7 @@ XSNAME=`basename ${DEVPATH} | tr . _`
#DESC=`python -c "dev='%d-%d' % (int('${BUSNUM}'.lstrip('0')), (int('${DEVNUM}'.lstrip('0'))-1)); from xen.util import vusb_util; print vusb_util.get_usbdevice_info(dev);"`
DESC="${ID_VENDOR_ID}:${ID_MODEL_ID} ${ID_SERIAL}"
VERSION=`cat /sys/$DEVPATH/version`
if [ "${VERSION}" = " 1.00" -o "${VERSION}" = " 1.10" ] ; then
VERSION=1
elif [ "${VERSION}" = " 2.00" -o "${VERSION}" = " 2.10" ] ; then
VERSION=2
elif [ "${VERSION}" = " 3.00" -o "${VERSION}" = " 3.10" ] ; then
VERSION=3
else
# FIXME: silently ignoring devices with unexpected USB version
exit 0
fi
VERSION=`cat /sys/$DEVPATH/version | tr -d ' '|cut -f 1 -d .`
# ignore usbip-connected devices, as most likely already passed through from
# another VM