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ALSA: hda - Fix error check from snd_hda_get_conn_index() in patch_cirrus.c 

snd_hda_get_conn_index() returns a negative value while the current code
stores it in an unsigned int.  It must be stored in a signed integer.

Reported-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-08-20 09:19:59 +02:00
parent b6acf013bd
commit 1b004d03d8
1 changed files with 5 additions and 3 deletions
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8
sound/pci/hda/patch_cirrus.c
View File

@ -375,7 +375,7 @@ static int is_ext_mic(struct hda_codec *codec, unsigned int idx)
static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
unsigned int *idxp)
{
int i;
int i, idx;
hda_nid_t nid;
nid = codec->start_nid;
@ -384,9 +384,11 @@ static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
type = get_wcaps_type(get_wcaps(codec, nid));
if (type != AC_WID_AUD_IN)
continue;
*idxp = snd_hda_get_conn_index(codec, nid, pin, false);
if (*idxp >= 0)
idx = snd_hda_get_conn_index(codec, nid, pin, false);
if (idx >= 0) {
*idxp = idx;
return nid;
}
}
return 0;
}