Hi > Just a small concern... > > On Thu, Sep 26, 2019 at 09:29:51AM +0800, Shengjiu Wang wrote: > > static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream) > > { > > + > > + release_pair = false; > > + ret = snd_soc_set_runtime_hwparams(substream, > > + &snd_imx_hardware); > > This set_runtime_hwparams() always returns 0 for now, but if one day it > changes and it fails here, kfree() will be still ignored although the startup() > gets error-out. > > We could avoid this if we continue to ignore the return value like the > current code. Or we may check ret at kfree() also? I like to ignore the return value. Best regards Wang shengjiu