Re: [PATCH -next] staging: most: fix error return code in audio_probe_channel()

[Greg Kroah-Hartman]

On Sun, Sep 25, 2016 at 03:41:11PM +0000, Wei Yongjun wrote:
> From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> 
> Fix to return a negative error code from the audio_set_hw_params() error
> handling case instead of 0, as done elsewhere in this function.
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
>  drivers/staging/most/aim-sound/sound.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/most/aim-sound/sound.c b/drivers/staging/most/aim-sound/sound.c
> index 3dc625c..00f01c9 100644
> --- a/drivers/staging/most/aim-sound/sound.c
> +++ b/drivers/staging/most/aim-sound/sound.c
> @@ -607,7 +607,8 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id,
>  	channel->id = channel_id;
>  	init_waitqueue_head(&channel->playback_waitq);
>  
> -	if (audio_set_hw_params(&channel->pcm_hardware, pcm_format, cfg))
> +	ret = audio_set_hw_params(&channel->pcm_hardware, pcm_format, cfg);
> +	if (ret)
>  		goto err_free_card;

Are you sure you want that error value?  I need an ack from the driver
maintainers before I can take this...

thanks,

greg k-h