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[media] em28xx-audio: Fix error path 

De-allocate memory and free sound if an error happens.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2014-01-10 06:59:09 -03:00
parent d2849fa59d
commit 439c491c4c
1 changed files with 3 additions and 0 deletions
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3
drivers/media/usb/em28xx/em28xx-audio.c
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@ -692,6 +692,7 @@ static int em28xx_audio_init(struct em28xx *dev)
if (intf->num_altsetting <= alt) {
em28xx_errdev("alt %d doesn't exist on interface %d\n",
dev->audio_ifnum, alt);
snd_card_free(card);
return -ENODEV;
}
@ -707,6 +708,7 @@ static int em28xx_audio_init(struct em28xx *dev)
if (!ep) {
em28xx_errdev("Couldn't find an audio endpoint");
snd_card_free(card);
return -ENODEV;
}
@ -759,6 +761,7 @@ static int em28xx_audio_init(struct em28xx *dev)
err = snd_card_register(card);
if (err < 0) {
em28xx_audio_free_urb(dev);
snd_card_free(card);
return err;
}