From: Simon Horman <horms@verge•net.au>
To: Isaku Yamahata <yamahata@valinux•co.jp>
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH net-next 4/5] pxa168_eth: convert skb->end into skb_end_pointer(skb)
Date: Mon, 17 Jun 2013 11:01:50 +0900 [thread overview]
Message-ID: <20130617020150.GC15043@verge.net.au> (raw)
In-Reply-To: <e9e0e51be02aec40989c4715466d0142381929fe.1371200138.git.yamahata@valinux.co.jp>
On Fri, Jun 14, 2013 at 05:58:34PM +0900, Isaku Yamahata wrote:
> The change set of 4305b541, "[SK_BUFF]: Convert skb->end to sk_buff_data_t"
> converted skb->end from pointer type to sk_buff_data_t.
> The pointed value should be accessed via skb_end_pointer().
>
> Since arm arch doesn't define NET_SKBUFF_DATA_USES_OFFSET,
> skb->end is effectively pointer. So it doesn't cause a real problem.
> But this patch is good for consistency.
>
> Found by inspection. Compile tested only.
>
> Cc: Simon Horman <horms@verge•net.au>
> Signed-off-by: Isaku Yamahata <yamahata@valinux•co.jp>
Reviewed-by: Simon Horman <horms@verge•net.au>
> ---
> drivers/net/ethernet/marvell/pxa168_eth.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
> index 2602cf7..ec20508 100644
> --- a/drivers/net/ethernet/marvell/pxa168_eth.c
> +++ b/drivers/net/ethernet/marvell/pxa168_eth.c
> @@ -357,7 +357,7 @@ static void rxq_refill(struct net_device *dev)
> /* Get 'used' Rx descriptor */
> used_rx_desc = pep->rx_used_desc_q;
> p_used_rx_desc = &pep->p_rx_desc_area[used_rx_desc];
> - size = skb->end - skb->data;
> + size = skb_end_pointer(skb) - skb->data;
> p_used_rx_desc->buf_ptr = dma_map_single(NULL,
> skb->data,
> size,
> --
> 1.7.10.4
>
> --
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>
next prev parent reply other threads:[~2013-06-17 2:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-14 8:58 [PATCH net-next 1/5] net, atm/ambassader: convert skb->tail into skb_tail_pointer(skb) Isaku Yamahata
2013-06-14 8:58 ` [PATCH net-next 2/5] net, scsi/csgb4i: convert skb->transport_header into skb_transport_header(skb) Isaku Yamahata
2013-06-17 2:04 ` Simon Horman
2013-06-18 0:13 ` David Miller
2013-06-14 8:58 ` [PATCH net-next 3/5] mv643xx_eth.c: convert skb->end into skb_end_poitner(skb) Isaku Yamahata
2013-06-17 2:02 ` Simon Horman
2013-06-18 0:13 ` David Miller
2013-06-14 8:58 ` [PATCH net-next 4/5] pxa168_eth: convert skb->end into skb_end_pointer(skb) Isaku Yamahata
2013-06-17 2:01 ` Simon Horman [this message]
2013-06-18 0:13 ` David Miller
2013-06-14 8:58 ` [PATCH net-next 5/5] staging/rtl8192u: convert skb->tail into skb_tail_pointer(skb) Isaku Yamahata
2013-06-17 2:03 ` Simon Horman
2013-06-18 0:13 ` David Miller
2013-06-17 22:45 ` Greg Kroah-Hartman
2013-06-17 2:01 ` [PATCH net-next 1/5] net, atm/ambassader: " Simon Horman
2013-06-18 0:13 ` David Miller
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