|
Check if the wireless device/modem exists in the system and the
module `ieee802111` was loaded
In cases where we do not have wireless devices, it prevents the
unexpected traceback
```
set interfaces wireless wlan0 address 192.0.2.5/32
commit
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 269, in <modu>
c = get_config()
^^^^^^^^^^^^
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 104, in get_cg
tmp = find_other_stations(conf, base, wifi['ifname'])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/libexec/vyos/conf_mode/interfaces_wireless.py", line 54, in find_os
for phy in os.listdir('/sys/class/ieee80211'):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/sys/class/ieee80211'
```
(cherry picked from commit 09c302d7e57a0fdb6c51ae8f61d5ad6371a30b67)
|