@@ -1755,6 +1755,7 @@ static int snd_timer_user_params(struct file *file,
if (err < 0)
goto _end;
}
+ spin_lock_irq(&tu->qlock);
tu->qhead = tu->qtail = tu->qused = 0;
if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {
if (tu->tread) {
@@ -1775,6 +1776,7 @@ static int snd_timer_user_params(struct file *file,
}
tu->filter = params.filter;
tu->ticks = params.ticks;
+ spin_unlock_irq(&tu->qlock);
err = 0;
_end:
if (copy_to_user(_params, ¶ms, sizeof(params)))
@@ -2022,10 +2024,12 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
poll_wait(file, &tu->qchange_sleep, wait);
mask = 0;
+ spin_lock_irq(&tu->qlock);
if (tu->qused)
mask |= POLLIN | POLLRDNORM;
if (tu->disconnected)
mask |= POLLERR;
+ spin_unlock_irq(&tu->qlock);
return mask;
}