Don't crash if we can't start the nl80211 listener.

canonical · Dec 22, 2016 · 09c4491 · 09c4491 · longsleep · Jan 1, 2017
1 parent bc42538
commit 09c4491
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/probert/network.py b/probert/network.py
@@ -334,13 +334,19 @@ def start(self):
         self.rtlistener = _rtnetlink.listener(self)
         self.rtlistener.start()
 
-        self.wlan_listener = _nl80211.listener(self)
-        self.wlan_listener.start()
-
         self._fdmap =  {
             self.rtlistener.fileno(): self.rtlistener.data_ready,
-            self.wlan_listener.fileno(): self.wlan_listener.data_ready,
             }
+
+        try:
+            self.wlan_listener = _nl80211.listener(self)
+            self.wlan_listener.start()
+            self._fdmap.update({
+                self.wlan_listener.fileno(): self.wlan_listener.data_ready,
+                })
+        except RuntimeError:
+            log.debug('could not start wlan_listener')
+
         return list(self._fdmap)
 
     def data_ready(self, fd):