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modemmanager: fix physdev sysfs path detection in PCIe modems 

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
View File

@ -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
}