From aceb5d20d725fdc9c9d42522944baed3370b472c Mon Sep 17 00:00:00 2001 From: "Subhransu S. Prusty" Date: Wed, 17 Feb 2016 21:34:05 +0530 Subject: [PATCH] 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 Signed-off-by: Vinod Koul Signed-off-by: Mark Brown --- sound/soc/intel/skylake/skl-pcm.c | 6 ++---- 1 file 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);