From: Zhang Changzhong zhangchangzhong@huawei.com
[ Upstream commit 9c1eaa27ec599fcc25ed4970c0b73c247d147a2b ]
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 Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 6e73ffe6f928..12e8b0f957d3 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -466,7 +466,6 @@ 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;