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net: ethernet: rtsn: fix potential memory leak in rtsn_start_xmit()

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The rtsn_start_xmit() returns NETDEV_TX_OK without freeing skb
in case of skb->len being too long, add dev_kfree_skb_any() to fix it.

Fixes: b0d3969d2b ("net: ethernet: rtsn: Add support for Renesas Ethernet-TSN")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241014144250.38802-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wang Hai 2024-10-14 22:42:50 +08:00 committed by Jakub Kicinski
parent 99714e37e8
commit c186b7a7f2
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/renesas/rtsn.c
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@ -1057,6 +1057,7 @@ static netdev_tx_t rtsn_start_xmit(struct sk_buff *skb, struct net_device *ndev)
if (skb->len >= TX_DS) {
priv->stats.tx_dropped++;
priv->stats.tx_errors++;
dev_kfree_skb_any(skb);
goto out;
}