I am not sure, why I found it during SG debugging. But, I noticed that even when req_queued list was empty, there were some request in request_list having queued flag true. If I run test second time, it first removes all request from request_list and hence busy_slot was wrongly incremented. Signed-off-by: Pratyush Anand <pratyush.anand@xxxxxx> --- drivers/usb/dwc3/gadget.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3e649e6..0f784dd 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -257,6 +257,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, usb_endpoint_xfer_isoc(dep->endpoint.desc)) dep->busy_slot++; } while(++i < req->request.num_mapped_sgs); + req->queued = false; } list_del(&req->list); req->trb = NULL; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html