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modemmanager: fix physdev sysfs path detection in PCIe modems

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The PCIe physdev path lookup relies on the 'vendor' and 'device'
attribute files, instead of the 'idVendor' and 'idProduct' ones, which
are USB specific.

Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
This commit is contained in:
Aleksander Morgado 2021-11-09 11:24:00 +01:00 committed by Rosen Penev
parent 024ac2b040
commit 9bc5942529
1 changed files with 10 additions and 1 deletions
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11
net/modemmanager/files/modemmanager.common
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@ -39,12 +39,21 @@ mm_find_physdev_sysfs_path() {
# avoid infinite loops iterating
[ -z "${tmp_path}" ] || [ "${tmp_path}" = "/" ] && return
# the physical device will be that with a idVendor and idProduct pair of files
# For USB devices, the physical device will be that with a idVendor
# and idProduct pair of files
[ -f "${tmp_path}"/idVendor ] && [ -f "${tmp_path}"/idProduct ] && {
tmp_path=$(readlink -f "$tmp_path")
echo "${tmp_path}"
return
}
# For PCI devices, the physical device will be that with a vendor
# and device pair of files
[ -f "${tmp_path}"/vendor ] && [ -f "${tmp_path}"/device ] && {
tmp_path=$(readlink -f "$tmp_path")
echo "${tmp_path}"
return
}
done
}