From 7819d1c70eb6a57e43554d86e10b39d1e106ed65 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 10 Oct 2012 08:41:42 +0200
Subject: [PATCH] ALSA: hda - Add missing hda_gen_spec to struct via_spec
Git-commit: 7819d1c70eb6a57e43554d86e10b39d1e106ed65
Patch-mainline: 3.7-rc1
References: FATE#314106

The commit [4b527b65 ALSA: hda - limit internal mic boost for Asus
X202E] introduced the use of auto-parser code, but it forgot to add
struct hda_gen_spec at the head of codec->spec which the auto-parser
assumes silently.  Without this record, it may result in memory
corruption.

This patch adds the missing piece.

Cc: <stable@vger.kernel.org> [v3.5+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>

---
 sound/pci/hda/patch_via.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -117,6 +117,8 @@ enum {
 };
 
 struct via_spec {
+	struct hda_gen_spec gen;
+
 	/* codec parameterization */
 	const struct snd_kcontrol_new *mixers[6];
 	unsigned int num_mixers;
@@ -245,6 +247,7 @@ static struct via_spec * via_new_spec(st
 	/* VT1708BCE & VT1708S are almost same */
 	if (spec->codec_type == VT1708BCE)
 		spec->codec_type = VT1708S;
+	snd_hda_gen_init(&spec->gen);
 	return spec;
 }
 
@@ -1626,6 +1629,7 @@ static void via_free(struct hda_codec *c
 	vt1708_stop_hp_work(spec);
 	kfree(spec->bind_cap_vol);
 	kfree(spec->bind_cap_sw);
+	snd_hda_gen_free(&spec->gen);
 	kfree(spec);
 }
 
