diff options
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 18045997b593..a310266abc20 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -845,12 +845,12 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, */ static struct dwc3_trb *dwc3_ep_prev_trb(struct dwc3_ep *dep, u8 index) { - if (!index) - index = DWC3_TRB_NUM - 2; - else - index = dep->trb_enqueue - 1; + u8 tmp = index; + + if (!tmp) + tmp = DWC3_TRB_NUM - 1; - return &dep->trb_pool[index]; + return &dep->trb_pool[tmp - 1]; } static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep) |