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Merge "usb: gadget: Fix crash on calling usb gadget activate/deactivate"

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This commit is contained in:
qctecmdr 2020-12-21 22:00:26 -08:00 • committed by Gerrit - the friendly Code Review server
commit c63e38f24d
1 changed files with 8 additions and 2 deletions
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10
drivers/usb/gadget/composite.c
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@ -392,8 +392,11 @@ int usb_function_deactivate(struct usb_function *function)
spin_lock_irqsave(&cdev->lock, flags);
if (cdev->deactivations == 0)
if (cdev->deactivations == 0) {
spin_unlock_irqrestore(&cdev->lock, flags);
status = usb_gadget_deactivate(cdev->gadget);
spin_lock_irqsave(&cdev->lock, flags);
}
if (status == 0)
cdev->deactivations++;
@ -424,8 +427,11 @@ int usb_function_activate(struct usb_function *function)
status = -EINVAL;
else {
cdev->deactivations--;
if (cdev->deactivations == 0)
if (cdev->deactivations == 0) {
spin_unlock_irqrestore(&cdev->lock, flags);
status = usb_gadget_activate(cdev->gadget);
spin_lock_irqsave(&cdev->lock, flags);
}
}
spin_unlock_irqrestore(&cdev->lock, flags);