diff options
| -rw-r--r-- | sound/aoa/soundbus/i2sbus/i2sbus-pcm.c | 72 |
1 files changed, 26 insertions, 46 deletions
diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c index 051bb9b200e..7c81db7e52c 100644 --- a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c +++ b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c @@ -812,7 +812,6 @@ static void i2sbus_private_free(struct snd_pcm *pcm) module_put(THIS_MODULE); } -/* FIXME: this function needs an error handling strategy with labels */ int i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, struct codec_info *ci, void *data) @@ -880,24 +879,21 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, if (!cii->sdev) { printk(KERN_DEBUG "i2sbus: failed to get soundbus dev reference\n"); - kfree(cii); - return -ENODEV; + err = -ENODEV; + goto out_free_cii; } if (!try_module_get(THIS_MODULE)) { printk(KERN_DEBUG "i2sbus: failed to get module reference!\n"); - soundbus_dev_put(dev); - kfree(cii); - return -EBUSY; + err = -EBUSY; + goto out_put_sdev; } if (!try_module_get(ci->owner)) { printk(KERN_DEBUG "i2sbus: failed to get module reference to codec owner!\n"); - module_put(THIS_MODULE); - soundbus_dev_put(dev); - kfree(cii); - return -EBUSY; + err = -EBUSY; + goto out_put_this_module; } if (!dev->pcm) { @@ -905,11 +901,7 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, &dev->pcm); if (err) { printk(KERN_DEBUG "i2sbus: failed to create pcm\n"); - kfree(cii); - module_put(ci->owner); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return err; + goto out_put_ci_module; } dev->pcm->dev = &dev->ofdev.dev; } @@ -923,20 +915,12 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, /* eh? */ printk(KERN_ERR "Can't attach same bus to different cards!\n"); - module_put(ci->owner); - kfree(cii); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return -EINVAL; - } - if ((err = - snd_pcm_new_stream(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK, 1))) { - module_put(ci->owner); - kfree(cii); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return err; + err = -EINVAL; + goto out_put_ci_module; } + err = snd_pcm_new_stream(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK, 1); + if (err) + goto out_put_ci_module; snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK, &i2sbus_playback_ops); i2sdev->out.created = 1; @@ -946,20 +930,11 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, if (dev->pcm->card != card) { printk(KERN_ERR "Can't attach same bus to different cards!\n"); - module_put(ci->owner); - kfree(cii); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return -EINVAL; - } - if ((err = - snd_pcm_new_stream(dev->pcm, SNDRV_PCM_STREAM_CAPTURE, 1))) { - module_put(ci->owner); - kfree(cii); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return err; + goto out_put_ci_module; } + err = snd_pcm_new_stream(dev->pcm, SNDRV_PCM_STREAM_CAPTURE, 1); + if (err) + goto out_put_ci_module; snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE, &i2sbus_record_ops); i2sdev->in.created = 1; @@ -974,11 +949,7 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, err = snd_device_register(card, dev->pcm); if (err) { printk(KERN_ERR "i2sbus: error registering new pcm\n"); - module_put(ci->owner); - kfree(cii); - soundbus_dev_put(dev); - module_put(THIS_MODULE); - return err; + goto out_put_ci_module; } /* no errors any more, so let's add this to our list */ list_add(&cii->list, &dev->codec_list); @@ -993,6 +964,15 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card, 64 * 1024, 64 * 1024); return 0; + out_put_ci_module: + module_put(ci->owner); + out_put_this_module: + module_put(THIS_MODULE); + out_put_sdev: + soundbus_dev_put(dev); + out_free_cii: + kfree(cii); + return err; } void i2sbus_detach_codec(struct soundbus_dev *dev, void *data) |