diff options
Diffstat (limited to 'drivers/net/can/ipms_canfd.c')
| -rw-r--r-- | drivers/net/can/ipms_canfd.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/net/can/ipms_canfd.c b/drivers/net/can/ipms_canfd.c index 0a5e906d0a3c..d5b72aa50139 100644 --- a/drivers/net/can/ipms_canfd.c +++ b/drivers/net/can/ipms_canfd.c @@ -655,22 +655,9 @@ static netdev_tx_t canfd_driver_start_xmit(struct sk_buff *skb, struct net_devic break; } - if (!(ndev->flags & IFF_ECHO) || - (skb->protocol != htons(ETH_P_CAN) && - skb->protocol != htons(ETH_P_CANFD))) { - kfree_skb(skb); - return 0; - } - - skb = can_create_echo_skb(skb); - if (!skb) - return -ENOMEM; - - /* make settings for echo to reduce code in irq context */ - skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->dev = ndev; - - skb_tx_timestamp(skb); + /*Due to cache blocking, we need call dev_kfree_skb() here to free the socket + buffer and return NETDEV_TX_OK */ + dev_kfree_skb(skb); return NETDEV_TX_OK; } |