提交 c382a9f0 编写于 作者: T Takashi Iwai

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: NTakashi Iwai <tiwai@suse.de>
上级 3de95173
......@@ -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;
......
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