From: Hangyu Hua hbh25y@gmail.com

There is no need to call dev_kfree_skb() when usb_submit_urb() fails beacause can_put_echo_skb() deletes the original skb and can_free_echo_skb() deletes the cloned skb.

Link: https://lore.kernel.org/all/20220228083639.38183-1-hbh25y@gmail.com Fixes: 702171adeed3 ("ems_usb: Added support for EMS CPC-USB/ARM7 CAN/USB interface") Cc: stable@vger.kernel.org Cc: Sebastian Haas haas@ems-wuensche.com Signed-off-by: Hangyu Hua hbh25y@gmail.com Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de --- drivers/net/can/usb/ems_usb.c | 1 - 1 file changed, 1 deletion(-)

diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 7bedceffdfa3..bbec3311d893 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -819,7 +819,6 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne

usb_unanchor_urb(urb); usb_free_coherent(dev->udev, size, buf, urb->transfer_dma); - dev_kfree_skb(skb);

atomic_dec(&dev->active_tx_urbs);