#define to_urb(d) container_of(d, struct urb, kref)
-static DEFINE_SPINLOCK(usb_reject_lock);
static void urb_destroy(struct kref *kref)
{
urb->anchor = anchor;
if (unlikely(anchor->poisoned)) {
- spin_lock(&usb_reject_lock);
- urb->reject++;
- spin_unlock(&usb_reject_lock);
+ atomic_inc(&urb->reject);
}
spin_unlock_irqrestore(&anchor->lock, flags);
might_sleep();
if (!(urb && urb->dev && urb->ep))
return;
- spin_lock_irq(&usb_reject_lock);
- ++urb->reject;
- spin_unlock_irq(&usb_reject_lock);
+ atomic_inc(&urb->reject);
usb_hcd_unlink_urb(urb, -ENOENT);
wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
- spin_lock_irq(&usb_reject_lock);
- --urb->reject;
- spin_unlock_irq(&usb_reject_lock);
+ atomic_dec(&urb->reject);
}
EXPORT_SYMBOL_GPL(usb_kill_urb);
might_sleep();
if (!(urb && urb->dev && urb->ep))
return;
- spin_lock_irq(&usb_reject_lock);
- ++urb->reject;
- spin_unlock_irq(&usb_reject_lock);
+ atomic_inc(&urb->reject);
usb_hcd_unlink_urb(urb, -ENOENT);
wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
void usb_unpoison_urb(struct urb *urb)
{
- unsigned long flags;
-
if (!urb)
return;
- spin_lock_irqsave(&usb_reject_lock, flags);
- --urb->reject;
- spin_unlock_irqrestore(&usb_reject_lock, flags);
+ atomic_dec(&urb->reject);
}
EXPORT_SYMBOL_GPL(usb_unpoison_urb);