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can: slcan: slc_xmit(): use can_dropped_invalid_skb() instead of manual check 

slcan does a manual check in slc_xmit() to verify if the skb is valid.
This check is incomplete, use instead can_dropped_invalid_skb().

Link: https://lore.kernel.org/all/20220514141650.1109542-2-mailhol.vincent@wanadoo.fr
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Vincent Mailhol 2022-05-14 23:16:47 +09:00 committed by Marc Kleine-Budde
parent 94737ef56b
commit 30abc92913
1 changed files with 2 additions and 2 deletions
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4
drivers/net/can/slcan.c
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@ -359,8 +359,8 @@ static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct slcan *sl = netdev_priv(dev);
if (skb->len != CAN_MTU)
goto out;
if (can_dropped_invalid_skb(dev, skb))
return NETDEV_TX_OK;
spin_lock(&sl->lock);
if (!netif_running(dev)) {