return;
tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
- tty_register_device(drv->tty, cs->minor_index, NULL);
+ cs->class = tty_register_device(drv->tty, cs->minor_index, NULL);
+
+ if (!IS_ERR(cs->class))
+ class_set_devdata(cs->class, cs);
+ else {
+ warn("could not register device to the tty subsystem");
+ cs->class = NULL;
+ }
}
void gigaset_if_free(struct cardstate *cs)
tasklet_disable(&cs->if_wake_tasklet);
tasklet_kill(&cs->if_wake_tasklet);
+ cs->class = NULL;
tty_unregister_device(drv->tty, cs->minor_index);
}