[alsa-devel] [PATCH 02/28] ASoC: soc-core: set component->debugfs_root NULL

[Pierre-Louis Bossart]

> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index 40bac40..00887f7 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -171,7 +171,10 @@ static void soc_init_component_debugfs(struct snd_soc_component *component)
>   
>   static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
>   {
> +	if (!component->debugfs_root)
> +		return;

that test is redundant, it's safe to call debugfs_remove_recursive() 
without checking the argument (done internally).

>   	debugfs_remove_recursive(component->debugfs_root);
> +	component->debugfs_root = NULL;
>   }