diff options
Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index d28d08532455..658739410992 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -597,11 +597,13 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) { - int ret; + int ret = -EINVAL; - spin_unlock(&dwc->lock); - ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); - spin_lock(&dwc->lock); + if (dwc->async_callbacks) { + spin_unlock(&dwc->lock); + ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); + spin_lock(&dwc->lock); + } return ret; } |