From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 7 May 2012 13:01:02 +0000 (+0200)
Subject: ALSA: hda - Fix possible access to uninitialized work struct
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c382a9f009d7332e16919154e01f5554eeb095ed;p=linux-beck.git

ALSA: hda - Fix possible access to uninitialized work struct

The work struct must be initialized before the possible call in the
destructor.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 393a3043a46e..98976c8ed107 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1264,13 +1264,6 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
 	snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
 	snd_array_init(&codec->conn_lists, sizeof(hda_nid_t), 64);
 	snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
-	if (codec->bus->modelname) {
-		codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
-		if (!codec->modelname) {
-			snd_hda_codec_free(codec);
-			return -ENODEV;
-		}
-	}
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 	INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
@@ -1281,6 +1274,14 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
 	hda_keep_power_on(codec);
 #endif
 
+	if (codec->bus->modelname) {
+		codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
+		if (!codec->modelname) {
+			snd_hda_codec_free(codec);
+			return -ENODEV;
+		}
+	}
+
 	list_add_tail(&codec->list, &bus->codec_list);
 	bus->caddr_tbl[codec_addr] = codec;