netdev - Re: [net-next PATCH 07/10] virtio_net: Update driver to use ethtool

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 15 Mar 2021 11:52:00 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Alexander Duyck <alexander.duyck@...il.com>, davem@...emloft.net,
        kuba@...nel.org
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        simon.horman@...ronome.com, yisen.zhuang@...wei.com,
        salil.mehta@...wei.com, intel-wired-lan@...ts.osuosl.org,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        drivers@...sando.io, snelson@...sando.io, netanel@...zon.com,
        akiyano@...zon.com, gtzalik@...zon.com, saeedb@...zon.com,
        GR-Linux-NIC-Dev@...vell.com, skalluru@...vell.com,
        rmody@...vell.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        sthemmin@...rosoft.com, wei.liu@...nel.org, mst@...hat.com,
        pv-drivers@...are.com, doshir@...are.com, alexanderduyck@...com,
        Kernel-team@...com
Subject: Re: [net-next PATCH 07/10] virtio_net: Update driver to use
 ethtool_sprintf


在 2021/3/13 上午1:48, Alexander Duyck 写道:
> From: Alexander Duyck <alexanderduyck@...com>
>
> Update the code to replace instances of snprintf and a pointer update with
> just calling ethtool_sprintf.
>
> Also replace the char pointer with a u8 pointer to avoid having to recast
> the pointer type.
>
> Signed-off-by: Alexander Duyck <alexanderduyck@...com>
> ---
>   drivers/net/virtio_net.c |   18 +++++++-----------
>   1 file changed, 7 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index e97288dd6e5a..77ba8e2fc11c 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2138,25 +2138,21 @@ static int virtnet_set_channels(struct net_device *dev,
>   static void virtnet_get_strings(struct net_device *dev, u32 stringset, u8 *data)
>   {
>   	struct virtnet_info *vi = netdev_priv(dev);
> -	char *p = (char *)data;
>   	unsigned int i, j;
> +	u8 *p = data;
>   
>   	switch (stringset) {
>   	case ETH_SS_STATS:
>   		for (i = 0; i < vi->curr_queue_pairs; i++) {
> -			for (j = 0; j < VIRTNET_RQ_STATS_LEN; j++) {
> -				snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_%s",
> -					 i, virtnet_rq_stats_desc[j].desc);
> -				p += ETH_GSTRING_LEN;
> -			}
> +			for (j = 0; j < VIRTNET_RQ_STATS_LEN; j++)
> +				ethtool_sprintf(&p, "rx_queue_%u_%s", i,
> +						virtnet_rq_stats_desc[j].desc);
>   		}
>   
>   		for (i = 0; i < vi->curr_queue_pairs; i++) {
> -			for (j = 0; j < VIRTNET_SQ_STATS_LEN; j++) {
> -				snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_%s",
> -					 i, virtnet_sq_stats_desc[j].desc);
> -				p += ETH_GSTRING_LEN;
> -			}
> +			for (j = 0; j < VIRTNET_SQ_STATS_LEN; j++)
> +				ethtool_sprintf(&p, "tx_queue_%u_%s", i,
> +						virtnet_sq_stats_desc[j].desc);
>   		}
>   		break;
>   	}


Acked-by: Jason Wang <jasowang@...hat.com>



>
>