ALSA: hda - Allocate name string of each codec
Allocate dynamically the name string of each codec instead of
pointing to a static string.
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 39a49d4..53e3649 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -446,7 +446,7 @@
#ifdef CONFIG_SND_HDA_GENERIC
#define is_generic_config(codec) \
- (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
+ (codec->modelname && !strcmp(codec->modelname, "generic"))
#else
#define is_generic_config(codec) 0
#endif
@@ -481,15 +481,14 @@
}
/*
- * snd_hda_get_codec_name - store the codec name
+ * get_codec_name - store the codec name
*/
-void snd_hda_get_codec_name(struct hda_codec *codec,
- char *name, int namelen)
+static int get_codec_name(struct hda_codec *codec)
{
const struct hda_vendor_id *c;
const char *vendor = NULL;
u16 vendor_id = codec->vendor_id >> 16;
- char tmp[16];
+ char tmp[16], name[32];
for (c = hda_vendor_ids; c->id; c++) {
if (c->id == vendor_id) {
@@ -502,10 +501,15 @@
vendor = tmp;
}
if (codec->preset && codec->preset->name)
- snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
+ snprintf(name, sizeof(name), "%s %s", vendor,
+ codec->preset->name);
else
- snprintf(name, namelen, "%s ID %x", vendor,
+ snprintf(name, sizeof(name), "%s ID %x", vendor,
codec->vendor_id & 0xffff);
+ codec->name = kstrdup(name, GFP_KERNEL);
+ if (!codec->name)
+ return -ENOMEM;
+ return 0;
}
/*
@@ -575,6 +579,8 @@
codec->patch_ops.free(codec);
free_hda_cache(&codec->amp_cache);
free_hda_cache(&codec->cmd_cache);
+ kfree(codec->name);
+ kfree(codec->modelname);
kfree(codec->wcaps);
kfree(codec);
}
@@ -661,12 +667,19 @@
snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_SUBSYSTEM_ID, 0);
}
+ if (bus->modelname)
+ codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
codec->preset = find_codec_preset(codec);
+ if (!codec->name) {
+ err = get_codec_name(codec);
+ if (err < 0)
+ return err;
+ }
/* audio codec should override the mixer name */
- if (codec->afg || !*bus->card->mixername)
- snd_hda_get_codec_name(codec, bus->card->mixername,
- sizeof(bus->card->mixername));
+ if (codec->afg || !*codec->bus->card->mixername)
+ strlcpy(codec->bus->card->mixername, codec->name,
+ sizeof(codec->bus->card->mixername));
if (is_generic_config(codec)) {
err = snd_hda_parse_generic_codec(codec);
@@ -2370,11 +2383,11 @@
int num_configs, const char **models,
const struct snd_pci_quirk *tbl)
{
- if (codec->bus->modelname && models) {
+ if (codec->modelname && models) {
int i;
for (i = 0; i < num_configs; i++) {
if (models[i] &&
- !strcmp(codec->bus->modelname, models[i])) {
+ !strcmp(codec->modelname, models[i])) {
snd_printd(KERN_INFO "hda_codec: model '%s' is "
"selected\n", models[i]);
return i;