diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 45f2bc0807e8..a1b262669574 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1741,9 +1741,13 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep) { struct dwc3_request *req; struct dwc3_request *tmp; + struct list_head local; struct dwc3 *dwc = dep->dwc; - list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) { +restart: + list_replace_init(&dep->cancelled_list, &local); + + list_for_each_entry_safe(req, tmp, &local, list) { dwc3_gadget_ep_skip_trbs(dep, req); switch (req->status) { case DWC3_REQUEST_STATUS_DISCONNECTED: @@ -1761,6 +1765,9 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep) break; } } + + if (!list_empty(&dep->cancelled_list)) + goto restart; } static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, @@ -2958,8 +2965,12 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep, { struct dwc3_request *req; struct dwc3_request *tmp; + struct list_head local; - list_for_each_entry_safe(req, tmp, &dep->started_list, list) { +restart: + list_replace_init(&dep->started_list, &local); + + list_for_each_entry_safe(req, tmp, &local, list) { int ret; ret = dwc3_gadget_ep_cleanup_completed_request(dep, event, @@ -2967,6 +2978,9 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep, if (ret) break; } + + if (!list_empty(&dep->started_list)) + goto restart; } static bool dwc3_gadget_ep_should_continue(struct dwc3_ep *dep)