netdev - Re: [PATCH net-next] net: macb: replace literal constant with NET_IP

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]

Message-ID: <1435748191.4110.127.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 01 Jul 2015 12:56:31 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Nicolae Rosia <nicolae.rosia@...tsign.ro>
Cc:	netdev@...r.kernel.org, 'Nicolas Ferre <nicolas.ferre@...el.com>
Subject: Re: [PATCH net-next] net: macb: replace literal constant with
 NET_IP_ALIGN

On Tue, 2015-06-30 at 20:25 +0300, Nicolae Rosia wrote:
> Signed-off-by: Nicolae Rosia <nicolae.rosia@...tsign.ro>
> ---
>  drivers/net/ethernet/cadence/macb.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
> index caeb395..dbb5160 100644
> --- a/drivers/net/ethernet/cadence/macb.c
> +++ b/drivers/net/ethernet/cadence/macb.c
> @@ -2554,9 +2554,9 @@ static void at91ether_rx(struct net_device *dev)
>  	while (lp->rx_ring[lp->rx_tail].addr & MACB_BIT(RX_USED)) {
>  		p_recv = lp->rx_buffers + lp->rx_tail * AT91ETHER_MAX_RBUFF_SZ;
>  		pktlen = MACB_BF(RX_FRMLEN, lp->rx_ring[lp->rx_tail].ctrl);
> -		skb = netdev_alloc_skb(dev, pktlen + 2);
> +		skb = netdev_alloc_skb(dev, pktlen + NET_IP_ALIGN);
>  		if (skb) {
> -			skb_reserve(skb, 2);
> +			skb_reserve(skb, NET_IP_ALIGN);
>  			memcpy(skb_put(skb, pktlen), p_recv, pktlen);
>  
>  			skb->protocol = eth_type_trans(skb, dev);

Then please use netdev_alloc_skb_ip_align(), so that you get rid of
skb_reserve()



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html