On Tue, Jun 14, 2022 at 6:15 PM Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> The driver uses two statically ininitialized struct dma_slave_config,
> but only one of them is initialized to zero. Initialize config_be to
> zero as well to make sure that no fields are filled with random values.
> Let the compiler do this instead of explicitly calling memset() which
> makes it easier to read.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>
Acked-by: Shengjiu Wang <shengjiu.wang@xxxxxxxxx>
Best regards
Wang Shengjiu
> ---
> sound/soc/fsl/fsl_asrc_dma.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
> index 5038faf035cba..fec56dbb64e60 100644
> --- a/sound/soc/fsl/fsl_asrc_dma.c
> +++ b/sound/soc/fsl/fsl_asrc_dma.c
> @@ -138,7 +138,7 @@ static int fsl_asrc_dma_hw_params(struct
> snd_soc_component *component,
> struct dma_chan *tmp_chan = NULL, *be_chan = NULL;
> struct snd_soc_component *component_be = NULL;
> struct fsl_asrc *asrc = pair->asrc;
> - struct dma_slave_config config_fe, config_be;
> + struct dma_slave_config config_fe = {}, config_be = {};
> enum asrc_pair_index index = pair->index;
> struct device *dev = component->dev;
> struct device_node *of_dma_node;
> @@ -181,7 +181,6 @@ static int fsl_asrc_dma_hw_params(struct
> snd_soc_component *component,
> return -EINVAL;
> }
>
> - memset(&config_fe, 0, sizeof(config_fe));
> ret = snd_dmaengine_pcm_prepare_slave_config(substream, params,
> &config_fe);
> if (ret) {
> dev_err(dev, "failed to prepare DMA config for
> Front-End\n");
> --
> 2.30.2
>
>
