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authorSubhransu S. Prusty <subhransu.s.prusty@intel.com>2016-02-17 19:04:05 +0300
committerMark Brown <broonie@kernel.org>2016-02-19 18:58:16 +0300
commitaceb5d20d725fdc9c9d42522944baed3370b472c (patch)
treea7b729231becfef798ebdcae30980f8eac64f2db /sound/soc/intel
parent4b235c43deb8283802281a299cb730001a6ad1da (diff)
downloadlinux-aceb5d20d725fdc9c9d42522944baed3370b472c.tar.xz
ASoC: Intel: Skylake: Fix possible memory corruption in codec dai dma params
Set required parameters for hdac_ext_dma_params object instead of skl_dma_params. Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel')
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 092450ac1c78..bbb6c2870b7f 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -475,7 +475,7 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
struct hdac_ext_stream *link_dev;
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct skl_dma_params *dma_params;
+ struct hdac_ext_dma_params *dma_params;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct skl_pipe_params p_params = {0};
@@ -487,11 +487,9 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
/* set the stream tag in the codec dai dma params */
- dma_params = (struct skl_dma_params *)
- snd_soc_dai_get_dma_data(codec_dai, substream);
+ dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
if (dma_params)
dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
- snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params);
p_params.s_fmt = snd_pcm_format_width(params_format(params));
p_params.ch = params_channels(params);