Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: mt - convert locking to guard notation
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>
+2
-9
+2
-9
drivers/input/input-mt.c
+2
-9
drivers/input/input-mt.c
···
285
285
struct input_mt *mt = dev->mt;
286
286
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if (mt) {
288
-
unsigned long flags;
289
-
290
-
spin_lock_irqsave(&dev->event_lock, flags);
288
+
guard(spinlock_irqsave)(&dev->event_lock);
291
289
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__input_mt_drop_unused(dev, mt);
293
291
mt->frame++;
294
-
295
-
spin_unlock_irqrestore(&dev->event_lock, flags);
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292
}
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293
}
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294
EXPORT_SYMBOL(input_mt_drop_unused);
···
335
339
return;
336
340
337
341
if (mt->flags & INPUT_MT_DROP_UNUSED) {
338
-
unsigned long flags;
339
-
340
-
spin_lock_irqsave(&dev->event_lock, flags);
342
+
guard(spinlock_irqsave)(&dev->event_lock);
341
343
__input_mt_drop_unused(dev, mt);
342
-
spin_unlock_irqrestore(&dev->event_lock, flags);
343
344
}
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345
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346
if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT))