[alsa-devel] [PATCH v2 02/25] ASoC: soc-core: set component->debugfs_root NULL

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

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 at renesas.com>
---
v1 -> v2

	- no change

 sound/soc/soc-core.c | 3 +++
 1 file changed, 3 insertions(+)

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;
 	debugfs_remove_recursive(component->debugfs_root);
+	component->debugfs_root = NULL;
 }
 
 static int dai_list_show(struct seq_file *m, void *v)
-- 
2.7.4