Messages in this thread Patch in this message | | | From | Zhang Changzhong <> | Subject | [PATCH net] net: lantiq_etop: don't free skb when returning NETDEV_TX_BUSY | Date | Fri, 21 Oct 2022 09:32:24 +0800 |
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The ndo_start_xmit() method must not free skb when returning NETDEV_TX_BUSY, since caller is going to requeue freed skb.
Fixes: 504d4721ee8e ("MIPS: Lantiq: Add ethernet driver") Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> --- drivers/net/ethernet/lantiq_etop.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 59aab40..f5961bd 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -485,7 +485,6 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) { - dev_kfree_skb_any(skb); netdev_err(dev, "tx ring full\n"); netif_tx_stop_queue(txq); return NETDEV_TX_BUSY; -- 2.9.5
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