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Fix null deref in wlr_libinput_backend_destroy 

If input_event is null (e.g. if backend_start has not been called yet)
wl_event_source_remove will result in a null deref.
This commit is contained in:
Dan Robertson 2018-02-25 02:26:56 +00:00
parent 9dc868a27f
commit 99e6cba3c3
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GPG Key ID: 45C4A652C47E42A5
1 changed files with 3 additions and 1 deletions
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4
backend/libinput/backend.c
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@ -118,7 +118,9 @@ static void wlr_libinput_backend_destroy(struct wlr_backend *wlr_backend) {
wl_list_remove(&backend->session_signal.link); wl_list_remove(&backend->session_signal.link);
wlr_list_finish(&backend->wlr_device_lists); wlr_list_finish(&backend->wlr_device_lists);
wl_event_source_remove(backend->input_event); if (backend->input_event) {
wl_event_source_remove(backend->input_event);
}
libinput_unref(backend->libinput_context); libinput_unref(backend->libinput_context);
free(backend); free(backend);
} }