[PATCH] ASoC: SOF: Fix probe point getter

[Pierre-Louis Bossart]

On 3/9/20 9:21 AM, Cezary Rojewski wrote:
> Firmware API changes which introduced 'num_elems' param in several probe
> structs such as sof_ipc_probe_dma_add_params also impacted getter for
> both, DMA and probe points. All struct handlers except for
> sof_ipc_probe_info_params have been updated. Align said handler too to
> calculate payload size correctly.
> 
> Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>

Thanks Cezary!

> Fixes: f3b433e4699f ("ASoC: SOF: Implement Probe IPC API") > ---
>   sound/soc/sof/probe.c | 8 ++++++--
>   1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/sof/probe.c b/sound/soc/sof/probe.c
> index 2b2f3dcfc7e9..c38169fe00c5 100644
> --- a/sound/soc/sof/probe.c
> +++ b/sound/soc/sof/probe.c
> @@ -95,13 +95,17 @@ static int sof_ipc_probe_info(struct snd_sof_dev *sdev, unsigned int cmd,
>   	if (!reply->num_elems)
>   		goto exit;
>   
> -	bytes = reply->num_elems * sizeof(reply->dma[0]);
> +	if (cmd == SOF_IPC_PROBE_DMA_INFO)
> +		bytes = sizeof(reply->dma[0]);
> +	else
> +		bytes = sizeof(reply->desc[0]);
> +	bytes *= reply->num_elems;
>   	*params = kmemdup(&reply->dma[0], bytes, GFP_KERNEL);
>   	if (!*params) {
>   		ret = -ENOMEM;
>   		goto exit;
>   	}
> -	*num_params = msg.num_elems;
> +	*num_params = reply->num_elems;
>   
>   exit:
>   	kfree(reply);
>