summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/udc/udc-xilinx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/udc/udc-xilinx.c')
-rw-r--r--drivers/usb/gadget/udc/udc-xilinx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index 6ce886fb7bfe..2907fad04e2c 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -1615,6 +1615,8 @@ static void xudc_getstatus(struct xusb_udc *udc)
break;
case USB_RECIP_ENDPOINT:
epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK;
+ if (epnum >= XUSB_MAX_ENDPOINTS)
+ goto stall;
target_ep = &udc->ep[epnum];
epcfgreg = udc->read_fn(udc->addr + target_ep->offset);
halt = epcfgreg & XUSB_EP_CFG_STALL_MASK;
@@ -1682,6 +1684,10 @@ static void xudc_set_clear_feature(struct xusb_udc *udc)
case USB_RECIP_ENDPOINT:
if (!udc->setup.wValue) {
endpoint = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK;
+ if (endpoint >= XUSB_MAX_ENDPOINTS) {
+ xudc_ep0_stall(udc);
+ return;
+ }
target_ep = &udc->ep[endpoint];
outinbit = udc->setup.wIndex & USB_ENDPOINT_DIR_MASK;
outinbit = outinbit >> 7;