[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>

diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 8e6f048..4ee3488 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -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;
        }