[PATCH v4 16/29] ASoC: codecs: peb2466: 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: Herve Codina <[email protected]>
Signed-off-by: bui duc phuc <[email protected]>
---
 sound/soc/codecs/peb2466.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/sound/soc/codecs/peb2466.c b/sound/soc/codecs/peb2466.c
index 2d71d204d8fa..5a1ed02abb84 100644
--- a/sound/soc/codecs/peb2466.c
+++ b/sound/soc/codecs/peb2466.c
@@ -6,6 +6,7 @@
 //
 // Author: Herve Codina <[email protected]>
 
+#include <linux/cleanup.h>
 #include <linux/unaligned.h>
 #include <linux/clk.h>
 #include <linux/firmware.h>
@@ -1704,13 +1705,11 @@ static int peb2466_chip_gpio_update_bits(struct peb2466 *peb2466, unsigned int x
 	 * So, a specific cache value is used.
 	 */
 
-	mutex_lock(&peb2466->gpio.lock);
+	guard(mutex)(&peb2466->gpio.lock);
 
 	cache = peb2466_chip_gpio_get_cache(peb2466, xr_reg);
-	if (!cache) {
-		ret = -EINVAL;
-		goto end;
-	}
+	if (!cache)
+		return -EINVAL;
 
 	tmp = *cache;
 	tmp &= ~mask;
@@ -1718,14 +1717,11 @@ static int peb2466_chip_gpio_update_bits(struct peb2466 *peb2466, unsigned int x
 
 	ret = regmap_write(peb2466->regmap, xr_reg, tmp);
 	if (ret)
-		goto end;
+		return ret;
 
 	*cache = tmp;
-	ret = 0;
 
-end:
-	mutex_unlock(&peb2466->gpio.lock);
-	return ret;
+	return 0;
 }
 
 static int peb2466_chip_gpio_set(struct gpio_chip *c, unsigned int offset,
-- 
2.43.0