On 7/26/19 5:38 AM, Cezary Rojewski wrote:
On 2019-07-26 01:40, Pierre-Louis Bossart wrote:+void intel_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sdw_cdns_dma_data *dma; + + dma = snd_soc_dai_get_dma_data(dai, substream); + if (!dma) + return; + + snd_soc_dai_set_dma_data(dai, substream, NULL); + kfree(dma); +}Correct me if I'm wrong, but do we really need to _get_dma_ here? _set_dma_ seems bulletproof, same for kfree.
I must admit I have no idea why we have a reference to DMAs here, this looks like an abuse to store a dai-specific context, and the initial test looks like copy-paste to detect invalid configs, as done in other callbacks. Vinod and Sanyog might have more history than me here.
