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-rw-r--r--sound/core/init.c3
-rw-r--r--sound/core/pcm_timer.c7
2 files changed, 7 insertions, 3 deletions
diff --git a/sound/core/init.c b/sound/core/init.c
index 9693e646b3bb..1bcb6a2e7550 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -310,7 +310,7 @@ static int snd_card_init(struct snd_card *card, struct device *parent,
kfree(card); /* manually free here, as no destructor called */
return err;
}
- card->dev = parent;
+ card->dev = get_device(parent);
card->number = idx;
WARN_ON(IS_MODULE(CONFIG_SND) && !module);
card->module = module;
@@ -603,6 +603,7 @@ static int snd_card_do_free(struct snd_card *card)
dev_warn(card->dev, "unable to free card info\n");
/* Not fatal error */
}
+ put_device(card->dev);
if (card->release_completion)
complete(card->release_completion);
if (!managed)
diff --git a/sound/core/pcm_timer.c b/sound/core/pcm_timer.c
index ab0e5bd70f8f..18bedd66435d 100644
--- a/sound/core/pcm_timer.c
+++ b/sound/core/pcm_timer.c
@@ -111,12 +111,15 @@ void snd_pcm_timer_init(struct snd_pcm_substream *substream)
snd_pcm_direction_name(substream->stream),
tid.card, tid.device, tid.subdevice);
timer->hw = snd_pcm_timer;
+ /* Set before registering: a concurrent reader can invoke our hw
+ * callbacks as soon as the timer is on the global list.
+ */
+ timer->private_data = substream;
+ timer->private_free = snd_pcm_timer_free;
if (snd_device_register(timer->card, timer) < 0) {
snd_device_free(timer->card, timer);
return;
}
- timer->private_data = substream;
- timer->private_free = snd_pcm_timer_free;
substream->timer = timer;
}