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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1c8f3f507f54..85b7d548f167 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -165,8 +165,11 @@ static ssize_t pmdown_time_set(struct device *dev,
{
struct snd_soc_pcm_runtime *rtd =
container_of(dev, struct snd_soc_pcm_runtime, dev);
+ int ret;
- strict_strtol(buf, 10, &rtd->pmdown_time);
+ ret = strict_strtol(buf, 10, &rtd->pmdown_time);
+ if (ret)
+ return ret;
return count;
}
@@ -1616,12 +1619,14 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
#ifdef CONFIG_SND_SOC_AC97_BUS
/* register any AC97 codecs */
for (i = 0; i < card->num_rtd; i++) {
- ret = soc_register_ac97_dai_link(&card->rtd[i]);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
- goto probe_dai_err;
- }
+ ret = soc_register_ac97_dai_link(&card->rtd[i]);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
+ while (--i >= 0)
+ soc_unregister_ac97_dai_link(&card->rtd[i]);
+ goto probe_dai_err;
}
+ }
#endif
card->instantiated = 1;
@@ -3040,8 +3045,10 @@ int snd_soc_register_dais(struct device *dev,
for (i = 0; i < count; i++) {
dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
- if (dai == NULL)
- return -ENOMEM;
+ if (dai == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
/* create DAI component name */
dai->name = fmt_multiple_name(dev, &dai_drv[i]);
@@ -3067,7 +3074,9 @@ int snd_soc_register_dais(struct device *dev,
pr_debug("Registered DAI '%s'\n", dai->name);
}
+ mutex_lock(&client_mutex);
snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
return 0;
err:
@@ -3260,9 +3269,6 @@ int snd_soc_register_codec(struct device *dev,
return 0;
error:
- for (i--; i >= 0; i--)
- snd_soc_unregister_dai(dev);
-
if (codec->reg_cache)
kfree(codec->reg_cache);
kfree(codec->name);