[PATCH v4 21/24] ASoC: codecs: cs47l90: Use guard() for mutex locks

From: bui duc phuc <[email protected]>

Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.

Reviewed-by: Cezary Rojewski <[email protected]>
Reviewed-by: Charles Keepax <[email protected]>
Signed-off-by: bui duc phuc <[email protected]>
---
 sound/soc/codecs/cs47l90.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/cs47l90.c b/sound/soc/codecs/cs47l90.c
index 77e8aabb241a..6ce603bfd500 100644
--- a/sound/soc/codecs/cs47l90.c
+++ b/sound/soc/codecs/cs47l90.c
@@ -6,6 +6,7 @@
 //                         Cirrus Logic International Semiconductor Ltd.
 //
 
+#include <linux/cleanup.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/device.h>
@@ -2423,9 +2424,8 @@ static int cs47l90_component_probe(struct snd_soc_component *component)
 
 	snd_soc_component_init_regmap(component, madera->regmap);
 
-	mutex_lock(&madera->dapm_ptr_lock);
-	madera->dapm = snd_soc_component_to_dapm(component);
-	mutex_unlock(&madera->dapm_ptr_lock);
+	scoped_guard(mutex, &madera->dapm_ptr_lock)
+		madera->dapm = snd_soc_component_to_dapm(component);
 
 	ret = madera_init_inputs(component);
 	if (ret)
@@ -2456,9 +2456,8 @@ static void cs47l90_component_remove(struct snd_soc_component *component)
 	struct madera *madera = cs47l90->core.madera;
 	int i;
 
-	mutex_lock(&madera->dapm_ptr_lock);
-	madera->dapm = NULL;
-	mutex_unlock(&madera->dapm_ptr_lock);
+	scoped_guard(mutex, &madera->dapm_ptr_lock)
+		madera->dapm = NULL;
 
 	for (i = 0; i < CS47L90_NUM_ADSP; i++)
 		wm_adsp2_component_remove(&cs47l90->core.adsp[i], component);
-- 
2.43.0