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Fix crash when event listener not created

This commit is contained in:
Fred Sundvik 2016-05-17 11:21:38 +03:00
parent 15300cb681
commit 07e412c538
1 changed files with 3 additions and 1 deletions
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4
visualizer.c
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@ -458,7 +458,9 @@ void visualizer_init(void) {
void update_status(bool changed) {
if (changed) {
GSourceListener* listener = geventGetSourceListener(layer_changed_event, NULL);
geventSendEvent(listener);
if (listener) {
geventSendEvent(listener);
}
}
#ifdef USE_SERIAL_LINK
static systime_t last_update = 0;