The method ndo_start_xmit() is defined as returning an 'netdev_tx_t', which is a typedef for an enum type, so make sure the implementation in this driver has returns 'netdev_tx_t' value, and change the function return type to netdev_tx_t. Found by coccinelle. Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/net/rionet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c index e9f101c..de391c7 100644 --- a/drivers/net/rionet.c +++ b/drivers/net/rionet.c @@ -170,7 +170,8 @@ static int rionet_queue_tx_msg(struct sk_buff *skb, struct net_device *ndev, return 0; } -static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) +static netdev_tx_t +rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) { int i; struct rionet_private *rnet = netdev_priv(ndev); -- 1.8.3.1