[alsa-devel] [PATCH 2/3] ASoC: soc-core: remove duplicate mutex_unlock from snd_soc_unregister_component()

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Mon Aug 7 04:06:40 CEST 2017


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

Current snd_soc_unregister_component() is using multiple mutex_unlock()
for found/non-found cases. But it is unreadable and confusable code.
This patch tidyup current code to be readable.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/soc-core.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ac68be0..db67103 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3326,21 +3326,25 @@ int snd_soc_register_component(struct device *dev,
 void snd_soc_unregister_component(struct device *dev)
 {
 	struct snd_soc_component *component;
+	int found = 0;
 
 	mutex_lock(&client_mutex);
 	list_for_each_entry(component, &component_list, list) {
-		if (dev == component->dev && component->registered_as_component)
-			goto found;
+		if (dev != component->dev ||
+		    !component->registered_as_component)
+			continue;
+
+		snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL);
+		snd_soc_component_del_unlocked(component);
+		found = 1;
+		break;
 	}
 	mutex_unlock(&client_mutex);
-	return;
 
-found:
-	snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL);
-	snd_soc_component_del_unlocked(component);
-	mutex_unlock(&client_mutex);
-	snd_soc_component_cleanup(component);
-	kfree(component);
+	if (found) {
+		snd_soc_component_cleanup(component);
+		kfree(component);
+	}
 }
 EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
 
-- 
1.9.1



More information about the Alsa-devel mailing list