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Input: mt - convert locking to guard notation

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Use guard() notation instead of explicitly acquiring and releasing
spinlocks to simplify the code and ensure that all locks are released.

Link: https://lore.kernel.org/r/20241107071538.195340-6-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2024-11-06 23:15:32 -08:00
parent 96173d6102
commit 4e3929ce6c
1 changed files with 2 additions and 9 deletions
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11
drivers/input/input-mt.c
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@ -285,14 +285,10 @@ void input_mt_drop_unused(struct input_dev *dev)
struct input_mt *mt = dev->mt;
if (mt) {
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
guard(spinlock_irqsave)(&dev->event_lock);
__input_mt_drop_unused(dev, mt);
mt->frame++;
spin_unlock_irqrestore(&dev->event_lock, flags);
}
}
EXPORT_SYMBOL(input_mt_drop_unused);
@ -339,11 +335,8 @@ void input_mt_sync_frame(struct input_dev *dev)
return;
if (mt->flags & INPUT_MT_DROP_UNUSED) {
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
guard(spinlock_irqsave)(&dev->event_lock);
__input_mt_drop_unused(dev, mt);
spin_unlock_irqrestore(&dev->event_lock, flags);
}
if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT))