diff options
Diffstat (limited to 'drivers/net/can/usb/ems_usb.c')
| -rw-r--r-- | drivers/net/can/usb/ems_usb.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index efbb05c71bf4..33451092b8e8 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -767,6 +767,9 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne size_t size = CPC_HEADER_SIZE + CPC_MSG_HEADER_LEN + sizeof(struct cpc_can_msg); + if (can_dropped_invalid_skb(netdev, skb)) + return NETDEV_TX_OK; + /* create a URB, and a buffer for it, and copy the data to the URB */ urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) { @@ -873,9 +876,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne return NETDEV_TX_OK; nomem: - if (skb) - dev_kfree_skb(skb); - + dev_kfree_skb(skb); stats->tx_dropped++; return NETDEV_TX_OK; @@ -1019,8 +1020,7 @@ static int ems_usb_probe(struct usb_interface *intf, dev->can.bittiming_const = &ems_usb_bittiming_const; dev->can.do_set_bittiming = ems_usb_set_bittiming; dev->can.do_set_mode = ems_usb_set_mode; - - netdev->flags |= IFF_ECHO; /* we support local echo */ + dev->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; netdev->netdev_ops = &ems_usb_netdev_ops; |