Sparse reports a warning at xudc_handle_setup() warning: context imbalance in xudc_handle_setup() - unexpected unlock The root cause is the missing annotation at xudc_handle_setup() Add the missing __must_hold(&udc->lock) annotation Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx> --- drivers/usb/gadget/udc/udc-xilinx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c index 29d8e5f8bb58..ae22882dba6a 100644 --- a/drivers/usb/gadget/udc/udc-xilinx.c +++ b/drivers/usb/gadget/udc/udc-xilinx.c @@ -1733,6 +1733,7 @@ static void xudc_set_clear_feature(struct xusb_udc *udc) * Process setup packet and delegate to gadget layer. */ static void xudc_handle_setup(struct xusb_udc *udc) + __must_hold(&udc->lock) { struct xusb_ep *ep0 = &udc->ep[0]; struct usb_ctrlrequest setup; -- 2.25.3