[alsa-devel] [PATCH 08/28] ASoC: soc-core: don't check controls for snd_soc_add_component_controls()

[Ranjani Sridharan]

On Tue, 2019-08-06 at 10:28 +0900, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> 
> snd_soc_add_component_controls() registers controls by using
> for(... i < num; ...). If controls was NULL, num should be zero.
> Thus, we don't need to check about controls pointer.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> ---
>  sound/soc/soc-core.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index bdd6a2e..7be8385 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -1304,10 +1304,9 @@ static int soc_probe_component(struct
> snd_soc_card *card,
>  		}
>  	}
>  
> -	if (component->driver->controls)
> -		snd_soc_add_component_controls(component,
> -					       component->driver-
> >controls,
> -					       component->driver-
> >num_controls);
> +	snd_soc_add_component_controls(component,
> +				       component->driver->controls,
> +				       component->driver-
> >num_controls);
Should the return value be checked?

Thanks,
Ranjani

>  	if (component->driver->dapm_routes)
>  		snd_soc_dapm_add_routes(dapm,
>  					component->driver->dapm_routes,