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-rw-r--r--drivers/usb/gadget/ether.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 988cffb..cc6cc1f 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1536,6 +1536,8 @@ 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;