#ifdef CONFIG_SND_JACK_INPUT_DEV
struct snd_jack *jack = device->device_data;
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (!jack->input_dev)
return 0;
- }
/* If the input device is registered with the input subsystem
* then we need to use a different deallocator. */
else
input_free_device(jack->input_dev);
jack->input_dev = NULL;
- mutex_unlock(&jack->input_dev_lock);
#endif /* CONFIG_SND_JACK_INPUT_DEV */
return 0;
}
snprintf(jack->name, sizeof(jack->name), "%s %s",
card->shortname, jack->id);
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (!jack->input_dev)
return 0;
- }
jack->input_dev->name = jack->name;
if (err == 0)
jack->registered = 1;
- mutex_unlock(&jack->input_dev_lock);
return err;
}
#endif /* CONFIG_SND_JACK_INPUT_DEV */
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
{
WARN_ON(jack->registered);
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
- return;
- }
-
- jack->input_dev->dev.parent = parent;
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (jack->input_dev)
+ jack->input_dev->dev.parent = parent;
}
EXPORT_SYMBOL(snd_jack_set_parent);