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-rw-r--r--drivers/usb/dwc3/gadget.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e60e72c57663..da8d57cb00e8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -754,21 +754,18 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
struct dwc3 *dwc = dep->dwc;
struct dwc3_trb *trb;
- unsigned int cur_slot;
-
dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n",
dep->name, req, (unsigned long long) dma,
length, last ? " last" : "",
chain ? " chain" : "");
- trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK];
- cur_slot = dep->free_slot;
- dep->free_slot++;
-
/* Skip the LINK-TRB on ISOC */
- if (((cur_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
+ if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
usb_endpoint_xfer_isoc(dep->endpoint.desc))
- return;
+ dep->free_slot++;
+
+ trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK];
+ dep->free_slot++;
if (!req->trb) {
dwc3_gadget_move_request_queued(req);