On Tue, Aug 20, 2024 at 11:22:39AM +0200, Thomas Zimmermann wrote:
First aqcuire the ops_lock and do al tests while holing it. Rearranges
s/aqcuire/acquire/
s/al/all/
quoted hunk ↗ jump to hunk
the code in lcd's fb_notifier_callback() to resemble the callback in
the backlight module. This will simplify later changes to these tests.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/video/backlight/lcd.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index ceec90ca758b..0cd0fa1b24f9 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -29,21 +29,25 @@ static int fb_notifier_callback(struct notifier_block *self,
{
struct lcd_device *ld;
struct fb_event *evdata = data;
+ struct fb_info *info = evdata->info;
ld = container_of(self, struct lcd_device, fb_notif);
+ mutex_lock(&ld->ops_lock);
+
guard(mutex)(&ld->ops_lock); and eliminating all the goto code would be
better here but not a huge deal.
Daniel.