Re: [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead to port unavailable

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

Hello.

On 6/21/2016 6:56 AM, Yisen Zhuang wrote:

> From: Jun He <hjat2005@huawei.com>
>
> When hns_nic_poll_rx_skb alloc skb fail, it will break receive cycle and
> read new fbd_num to start new receive cycle. It recomputes cycle num is
> fbd_num minus clean_count, actually this cycle num is too big because
> it drop out receive cycle. It brings about the port unavailable.
>
> So we will goto out when alloc skb fail to fix this bug.
>
> Signed-off-by: Jun He <hjat2005@huawei.com>
> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
> Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
> ---
>  drivers/net/ethernet/hisilicon/hns/hns_enet.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
> index f49246d..c0ce37b 100644
> --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
> +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
> @@ -768,10 +768,10 @@ recv:
>  			clean_count = 0;
>  		}
>
> -		/* poll one pkg*/
> +		/* poll one pkt*/

    How about adding a space before */?

[...]

MBR, Sergei