ASoC: soc-core: set component->debugfs_root NULL

To be more safety code, let's set NULL to component->debugfs_root
when it was cleanuped.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87muglahq0.wl-kuninori.morimoto.gx@renesas.com
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 0f75dac4bb264f41f8a4cff9bac8ad0981e96507..2f37c4e0974b6174da0a88c319de44c78b925e64 100644 (file)
--- 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;
        debugfs_remove_recursive(component->debugfs_root);
+       component->debugfs_root = NULL;
 }
 
 static int dai_list_show(struct seq_file *m, void *v)