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Date: Fri, 18 Nov 2022 09:13:54 +0000 From: Martin Habets <habetsm.xilinx@...il.com> To: Zhang Changzhong <zhangchangzhong@...wei.com> Cc: Edward Cree <ecree.xilinx@...il.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net] sfc: fix potential memleak in __ef100_hard_start_xmit() On Thu, Nov 17, 2022 at 03:50:09PM +0800, Zhang Changzhong wrote: > The __ef100_hard_start_xmit() returns NETDEV_TX_OK without freeing skb > in error handling case, add dev_kfree_skb_any() to fix it. > > Fixes: 51b35a454efd ("sfc: skeleton EF100 PF driver") > Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com> Acked-by: Martin Habets <habetsm.xilinx@...il.com> > --- > drivers/net/ethernet/sfc/ef100_netdev.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c > index 88fa295..ddcc325 100644 > --- a/drivers/net/ethernet/sfc/ef100_netdev.c > +++ b/drivers/net/ethernet/sfc/ef100_netdev.c > @@ -218,6 +218,7 @@ netdev_tx_t __ef100_hard_start_xmit(struct sk_buff *skb, > skb->len, skb->data_len, channel->channel); > if (!efx->n_channels || !efx->n_tx_channels || !channel) { > netif_stop_queue(net_dev); > + dev_kfree_skb_any(skb); > goto err; > } > > -- > 2.9.5
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