diff options
| -rwxr-xr-x | src/conf_mode/interfaces-wirelessmodem.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/conf_mode/interfaces-wirelessmodem.py b/src/conf_mode/interfaces-wirelessmodem.py index 7d8110096..2da1f0863 100755 --- a/src/conf_mode/interfaces-wirelessmodem.py +++ b/src/conf_mode/interfaces-wirelessmodem.py @@ -56,7 +56,8 @@ def verify(wwan): # we can not use isfile() here as Linux device files are no regular files # thus the check will return False - if not os.path.exists(find_device_file(wwan['device'])): + dev_path = find_device_file(wwan['device']) + if dev_path is None or not os.path.exists(dev_path): raise ConfigError('Device "{device}" does not exist'.format(**wwan)) verify_vrf(wwan) |