From: michal.simek@xilinx.com (Michal Simek)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] net: ll_temac: Fix DMA map size bug
Date: Tue, 12 May 2015 08:06:31 +0200 [thread overview]
Message-ID: <55519867.2090205@xilinx.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1505120801390.2075@localhost6.localdomain6>
On 05/12/2015 08:03 AM, Julia Lawall wrote:
> On Tue, 12 May 2015, Michal Simek wrote:
>
>> DMA allocates skb->len instead of headlen
>> which is used for DMA.
>>
>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
>> ---
>>
>> drivers/net/ethernet/xilinx/ll_temac_main.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
>> index ca640d04fd93..cfb6bdb37fdc 100644
>> --- a/drivers/net/ethernet/xilinx/ll_temac_main.c
>> +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
>> @@ -705,8 +705,8 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>>
>> cur_p->app0 |= STS_CTRL_APP0_SOP;
>> cur_p->len = skb_headlen(skb);
>> - cur_p->phys = dma_map_single(ndev->dev.parent, skb->data, skb->len,
>> - DMA_TO_DEVICE);
>> + cur_p->phys = dma_map_single(ndev->dev.parent, skb->data,
>> + skb_headlen(skb), DMA_TO_DEVICE);
>
> I think you could align the later arguments with the right side of the
> parenthesis, as done in the original code.
Fixed and send v2.
Thanks,
Michal
prev parent reply other threads:[~2015-05-12 6:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 5:58 [PATCH] net: ll_temac: Fix DMA map size bug Michal Simek
2015-05-12 6:03 ` Julia Lawall
2015-05-12 6:06 ` Michal Simek [this message]
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