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: NSubhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

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);