ASoC: Fix snd_soc_instantiate_card error path

Properly free the resources in the case of snd_card_register failure
and soc_register_ac97_dai_link failure.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-core.c

@@ -1839,7 +1839,7 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
 	ret = snd_card_register(card->snd_card);
 	if (ret < 0) {
 		printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name);
-		goto probe_dai_err;
+		goto probe_aux_dev_err;
 	}
 
 #ifdef CONFIG_SND_SOC_AC97_BUS
@@ -1848,7 +1848,9 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
 		ret = soc_register_ac97_dai_link(&card->rtd[i]);
 		if (ret < 0) {
 			printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
-				goto probe_dai_err;
+			while (--i >= 0)
+				soc_unregister_ac97_dai_link(&card->rtd[i]);
+			goto probe_aux_dev_err;
 		}
 	}
 #endif