evdev: check a null list

Change-Id: Ic281e4ff5f266bff9638f204964cc2503c7d90c8

diff --git a/src/evdev.c b/src/evdev.c
index c29096f935f0354c7997e9b2022de47f2deb19af..bab0877839215bd9518d6307272d06bee19b70d1 100644 (file)
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -2441,6 +2441,8 @@ evdev_device_set_aux_data(struct evdev_device *device, uint32_t code)
        int i;
        struct mt_aux_data *aux_data, *aux_data_tmp;
 
+       if (!device->mt.aux_data_list) return;
+
        if (!list_empty(&device->mt.aux_data_list[0])) {
                list_for_each(aux_data, &device->mt.aux_data_list[0], link) {
                        if (code == aux_data->code) return;