From 455dbfce6e2ccfae0f0a03d9df016e6a2eb0fe2a Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Fri, 30 Sep 2022 17:49:32 +0200
Subject: [PATCH] device: assert we're not waiting on a nil master

If we're notified of a master appearing, make sure there's actually an
ifindex we're waiting for.

Triger an assertion failure if that is not the case, cause that's pretty
messed up.
---
 src/core/devices/nm-device.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/devices/nm-device.c b/src/core/devices/nm-device.c
index d4d21a408a..ec8ea32831 100644
--- a/src/core/devices/nm-device.c
+++ b/src/core/devices/nm-device.c
@@ -6608,6 +6608,8 @@ device_ifindex_changed_cb(NMManager *manager, NMDevice *device_changed, NMDevice
 {
     NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
 
+    g_return_if_fail(priv->master_ifindex > 0);
+
     if (priv->master_ifindex != nm_device_get_ifindex(device_changed))
         return;