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check if monitor is null before setting gamma

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fixes segfault on monitor disconnect when using wlsunset
This commit is contained in:
choc 2024-01-10 22:27:04 +08:00
parent a73afc66ab
commit fd263041a0
1 changed files with 2 additions and 0 deletions
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dwl.c
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@ -2076,6 +2076,8 @@ setgamma(struct wl_listener *listener, void *data)
{
struct wlr_gamma_control_manager_v1_set_gamma_event *event = data;
Monitor *m = event->output->data;
if (!m)
return;
m->gamma_lut_changed = 1;
wlr_output_schedule_frame(m->wlr_output);
}