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ALSA: usb-audio: Minor code cleanup in create_fixed_stream_quirk()

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Just a minor code cleanup: unify the error paths.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2016-03-15 12:14:49 +01:00
parent 0f886ca127
commit 902eb7fd1e
1 changed files with 11 additions and 11 deletions
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22
sound/usb/quirks.c
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@ -167,23 +167,18 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
stream = (fp->endpoint & USB_DIR_IN)
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = snd_usb_add_audio_stream(chip, stream, fp);
if (err < 0) {
kfree(fp);
kfree(rate_table);
return err;
}
if (err < 0)
goto error;
if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
fp->altset_idx >= iface->num_altsetting) {
kfree(fp);
kfree(rate_table);
return -EINVAL;
err = -EINVAL;
goto error;
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
if (altsd->bNumEndpoints < 1) {
kfree(fp);
kfree(rate_table);
return -EINVAL;
err = -EINVAL;
goto error;
}
fp->protocol = altsd->bInterfaceProtocol;
@ -196,6 +191,11 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
snd_usb_init_pitch(chip, fp->iface, alts, fp);
snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
return 0;
error:
kfree(fp);
kfree(rate_table);
return err;
}
static int create_auto_pcm_quirk(struct snd_usb_audio *chip,