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[ALSA] ASoC - Fix build warnings in soc-core.c

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This patch fixes some build warnings in soc-core.c
Changes:-
 o Check the return value of soc_ac97_dev_register()
 o Check return value of calls to device_create_file()

Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Liam Girdwood 2006-10-16 21:19:48 +02:00 • committed by Jaroslav Kysela
parent cbcc2c4c07
commit 12e74f7d43
1 changed files with 26 additions and 9 deletions
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35
sound/soc/soc-core.c
View file

@ -1438,12 +1438,18 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
{ {
struct snd_soc_codec *codec = socdev->codec; struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_machine *machine = socdev->machine; struct snd_soc_machine *machine = socdev->machine;
int ret = 0, i, ac97 = 0; int ret = 0, i, ac97 = 0, err = 0;
mutex_lock(&codec->mutex); mutex_lock(&codec->mutex);
for(i = 0; i < machine->num_links; i++) { for(i = 0; i < machine->num_links; i++) {
if (socdev->machine->dai_link[i].init) if (socdev->machine->dai_link[i].init) {
socdev->machine->dai_link[i].init(codec); err = socdev->machine->dai_link[i].init(codec);
if (err < 0) {
printk(KERN_ERR "asoc: failed to init %s\n",
socdev->machine->dai_link[i].stream_name);
continue;
}
}
if (socdev->machine->dai_link[i].cpu_dai->type == SND_SOC_DAI_AC97) if (socdev->machine->dai_link[i].cpu_dai->type == SND_SOC_DAI_AC97)
ac97 = 1; ac97 = 1;
} }
@ -1456,17 +1462,28 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
if (ret < 0) { if (ret < 0) {
printk(KERN_ERR "asoc: failed to register soundcard for codec %s\n", printk(KERN_ERR "asoc: failed to register soundcard for codec %s\n",
codec->name); codec->name);
mutex_unlock(&codec->mutex); goto out;
return ret;
} }
#ifdef CONFIG_SND_SOC_AC97_BUS #ifdef CONFIG_SND_SOC_AC97_BUS
if (ac97) if (ac97) {
soc_ac97_dev_register(codec); ret = soc_ac97_dev_register(codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
snd_card_free(codec->card);
goto out;
}
}
#endif #endif
snd_soc_dapm_sys_add(socdev->dev); err = snd_soc_dapm_sys_add(socdev->dev);
device_create_file(socdev->dev, &dev_attr_codec_reg); if (err < 0)
printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n");
err = device_create_file(socdev->dev, &dev_attr_codec_reg);
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs entries\n");
out:
mutex_unlock(&codec->mutex); mutex_unlock(&codec->mutex);
return ret; return ret;
} }