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| author | Takashi Iwai <tiwai@suse.de> | 2009-12-27 11:24:56 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-12-27 13:39:25 +0100 |
| commit | b82855a0d76ebda1cc14c00040560d77bfa042ce (patch) | |
| tree | e10bb6a0586e32ed4e44bfd381bc28d6807acb6e /sound | |
| parent | a4e09aa3cf592d9f084ff4ceb216be40c4c265dc (diff) | |
| download | linux-b82855a0d76ebda1cc14c00040560d77bfa042ce.tar.bz2 | |
ALSA: hda - Add sanity check for storing the user-defined pin configs
Check whether the given NID is a pin widget before storing the
user-defined pin configs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 94ae69f20925..d02ea8926e7e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -824,6 +824,9 @@ int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, struct hda_pincfg *pin; unsigned int oldcfg; + if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN) + return -EINVAL; + oldcfg = snd_hda_codec_get_pincfg(codec, nid); pin = look_up_pincfg(codec, list, nid); if (!pin) { |