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device_tracker.ubus: Handle devices not running DHCP (#13579)

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Toby Gray 2018-04-10 19:38:36 +01:00 committed by Teemu R
parent cf88d8a1b9
commit 978a79d369
1 changed files with 3 additions and 0 deletions
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3
homeassistant/components/device_tracker/ubus.py
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@ -103,6 +103,9 @@ class UbusDeviceScanner(DeviceScanner):
"""Return the name of the given device or None if we don't know.""" """Return the name of the given device or None if we don't know."""
if self.mac2name is None: if self.mac2name is None:
self._generate_mac2name() self._generate_mac2name()
if self.mac2name is None:
# Generation of mac2name dictionary failed
return None
name = self.mac2name.get(device.upper(), None) name = self.mac2name.get(device.upper(), None)
return name return name