[PATCH -next] video: backlight: use DEFINE_MUTEX (and mutex_init() had been too late)

From
Zheng Yongjun <hidden>
Date
2020-12-23 14:11:04
Also in
dri-devel, lkml
Signed-off-by: Zheng Yongjun <redacted>
---
 drivers/video/backlight/backlight.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 537fe1b376ad..d7a09c422547 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -64,7 +64,7 @@
  */
 
 static struct list_head backlight_dev_list;
-static struct mutex backlight_dev_list_mutex;
+static DEFINE_MUTEX(backlight_dev_list_mutex);
 static struct blocking_notifier_head backlight_notifier;
 
 static const char *const backlight_types[] = {
@@ -757,7 +757,6 @@ static int __init backlight_class_init(void)
 	backlight_class->dev_groups = bl_device_groups;
 	backlight_class->pm = &backlight_class_dev_pm_ops;
 	INIT_LIST_HEAD(&backlight_dev_list);
-	mutex_init(&backlight_dev_list_mutex);
 	BLOCKING_INIT_NOTIFIER_HEAD(&backlight_notifier);
 
 	return 0;
-- 
2.22.0
Thread (2 messages) 2 messages, 2 authors, last reply 2021-01-04
Keyboard shortcuts
hback out one level
jnext message in thread / next series-diff position
kprevious message in thread / previous series-diff position
ldrill in
Escclose help / fold thread tree
?toggle this help