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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>
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@ -475,7 +475,7 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
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struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
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struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
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struct hdac_ext_stream *link_dev;
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struct hdac_ext_stream *link_dev;
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct skl_dma_params *dma_params;
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struct hdac_ext_dma_params *dma_params;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct skl_pipe_params p_params = {0};
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struct skl_pipe_params p_params = {0};
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@ -487,11 +487,9 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
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snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
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snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
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/* set the stream tag in the codec dai dma params */
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/* set the stream tag in the codec dai dma params */
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dma_params = (struct skl_dma_params *)
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dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
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snd_soc_dai_get_dma_data(codec_dai, substream);
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if (dma_params)
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if (dma_params)
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dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
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dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
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snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params);
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p_params.s_fmt = snd_pcm_format_width(params_format(params));
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p_params.s_fmt = snd_pcm_format_width(params_format(params));
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p_params.ch = params_channels(params);
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p_params.ch = params_channels(params);
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