return;
if (card->shutdown)
return;
- read_lock(&card->ctl_files_rwlock);
+ read_lock_irqsave(&card->ctl_files_rwlock, flags);
#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
card->mixer_oss_change_count++;
#endif
list_for_each_entry(ctl, &card->ctl_files, list) {
if (!ctl->subscribed)
continue;
- spin_lock_irqsave(&ctl->read_lock, flags);
+ spin_lock(&ctl->read_lock);
list_for_each_entry(ev, &ctl->events, list) {
if (ev->id.numid == id->numid) {
ev->mask |= mask;
}
_found:
wake_up(&ctl->change_sleep);
- spin_unlock_irqrestore(&ctl->read_lock, flags);
+ spin_unlock(&ctl->read_lock);
kill_fasync(&ctl->fasync, SIGIO, POLL_IN);
}
- read_unlock(&card->ctl_files_rwlock);
+ read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
}
EXPORT_SYMBOL(snd_ctl_notify);
{
struct snd_ctl_file *kctl;
int subdevice = -1;
+ unsigned long flags;
- read_lock(&card->ctl_files_rwlock);
+ read_lock_irqsave(&card->ctl_files_rwlock, flags);
list_for_each_entry(kctl, &card->ctl_files, list) {
if (kctl->pid == task_pid(current)) {
subdevice = kctl->preferred_subdevice[type];
break;
}
}
- read_unlock(&card->ctl_files_rwlock);
+ read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
return subdevice;
}
EXPORT_SYMBOL_GPL(snd_ctl_get_preferred_subdevice);
{
struct snd_card *card = device->device_data;
struct snd_ctl_file *ctl;
+ unsigned long flags;
- read_lock(&card->ctl_files_rwlock);
+ read_lock_irqsave(&card->ctl_files_rwlock, flags);
list_for_each_entry(ctl, &card->ctl_files, list) {
wake_up(&ctl->change_sleep);
kill_fasync(&ctl->fasync, SIGIO, POLL_ERR);
}
- read_unlock(&card->ctl_files_rwlock);
+ read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
return snd_unregister_device(&card->ctl_dev);
}