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| author | Raymond Yau <superquad.vortex2@gmail.com> | 2011-05-03 13:33:53 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-05-03 10:32:04 +0200 |
| commit | ce85c9ac8dd53a658d85b4f39f612c23aa704e49 (patch) | |
| tree | bc7fe813443b063248cdbb0dc862df6b36a8c942 | |
| parent | 20ec8b24636e2d43435a27a55dbb7e8331c563ca (diff) | |
| download | op-kernel-dev-ce85c9ac8dd53a658d85b4f39f612c23aa704e49.zip op-kernel-dev-ce85c9ac8dd53a658d85b4f39f612c23aa704e49.tar.gz | |
ALSA: hda - fix NULL-dereference in patch_realtek
Fix NULL-dereference when try to use alt_playback since those codecs
which support multistreaming playback usually have more than 1 adc but
the driver should create alt_capture when spec->stream_analog_alt_capture
is also defined.
Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c9f7715..4dd0ccc 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4424,7 +4424,7 @@ static int alc_build_pcms(struct hda_codec *codec) alc_pcm_null_stream; info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = 0; } - if (spec->num_adc_nids > 1) { + if (spec->num_adc_nids > 1 && spec->stream_analog_alt_capture) { info->stream[SNDRV_PCM_STREAM_CAPTURE] = *spec->stream_analog_alt_capture; info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = |
