From ae871853ca76a112de47064676d5812bc65c597f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sat, 20 Jun 2020 11:21:44 +0200
Subject: [PATCH] module/battery: don't crash if 'sysname' in udev event is
 NULL

---
 modules/battery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/battery.c b/modules/battery.c
index 20eaad0..d394f94 100644
--- a/modules/battery.c
+++ b/modules/battery.c
@@ -348,7 +348,7 @@ run(struct module *mod)
             struct udev_device *dev = udev_monitor_receive_device(mon);
             const char *sysname = udev_device_get_sysname(dev);
 
-            bool is_us = strcmp(sysname, m->battery) == 0;
+            bool is_us = sysname != NULL && strcmp(sysname, m->battery) == 0;
             udev_device_unref(dev);
 
             if (!is_us)