From 15c94a8706622927850eba8c22fcff2df32978b4 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Fri, 1 Apr 2022 22:30:53 +0200
Subject: wwan: T4324: is_wwan_connected() must verify if ModemManager is
 running

---
 python/vyos/util.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'python')

diff --git a/python/vyos/util.py b/python/vyos/util.py
index f3f323c34..0bf6b699e 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -989,6 +989,11 @@ def is_wwan_connected(interface):
     if not interface.startswith('wwan'):
         raise ValueError(f'Specified interface "{interface}" is not a WWAN interface')
 
+    # ModemManager is required for connection(s) - if service is not running,
+    # there won't be any connection at all!
+    if not is_systemd_service_active('ModemManager.service'):
+        return False
+
     modem = interface.lstrip('wwan')
 
     tmp = cmd(f'mmcli --modem {modem} --output-json')
-- 
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