netdev - Re: [PATCH 06/13] sis190: use netdev_alloc

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Message-ID: <4806B2FA.8020805@cn.fujitsu.com>
Date:	Thu, 17 Apr 2008 10:16:26 +0800
From:	Wang Chen <wangchen@...fujitsu.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	Jeff Garzik <jgarzik@...ox.com>,
	Francois Romieu <romieu@...zoreil.com>, netdev@...r.kernel.org
Subject: Re: [PATCH 06/13] sis190: use netdev_alloc_skb

Stephen Hemminger said the following on 2008-4-17 7:37:
> +static int sis190_try_rx_copy(struct net_device *dev,
> +			      struct sk_buff **sk_buff, int pkt_size,
> +			      struct RxDesc *desc, int rx_buf_sz)
>  {
> -	int ret = -1;
> +	int ret = 01;
>

why not : ret = 1
  
>  	if (pkt_size < rx_copybreak) {
>  		struct sk_buff *skb;
>  
> -		skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
> +		skb = netdev_alloc_skb(dev, pkt_size + 2);
>  		if (skb) {
> -			skb_reserve(skb, NET_IP_ALIGN);
> +			skb_reserve(skb, 2);

why?
[PATCH 02/13] atl1: use netdev_alloc_skb
using NET_IP_ALIGN, not 2.

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