[U-Boot] [PATCH V3 10/20] usb: gadget: ether: return error from rx_submit if no request

This prevents a crash if tftpboot is given a bad filename.

Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com --- drivers/usb/gadget/ether.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index f583c6e..fe73c7b 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1535,6 +1535,8 @@ static int rx_submit(struct eth_dev *dev, struct usb_request *req, */

debug("%s\n", __func__); + if (!req) + return -EINVAL;

size = (ETHER_HDR_SIZE + dev->mtu + RX_EXTRA); size += dev->out_ep->maxpacket - 1;