[U-Boot] [PATCH RFC V1 10/18] usb: gadget: ether: return error from rx_submit if no request

Troy Kisky
2013-07-16T20:47:38Z

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 | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index e39714b..1542ca3 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -2401,7 +2401,8 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd)
}

packet_received = 0;
- rx_submit(dev, dev->rx_req, 0);
+ if (dev->rx_req)
+ rx_submit(dev, dev->rx_req, 0);
return 0;
fail:
return -1;
--
1.8.1.2