From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: Larry.Finger@lwfinger.net, linville@tuxdriver.com,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] forcedeth: Fix WARNINGS that result when DMA mapping is not checked
Date: Thu, 27 Dec 2012 13:32:09 -0800 (PST) [thread overview]
Message-ID: <20121227.133209.1785109551425933956.davem@davemloft.net> (raw)
In-Reply-To: <1356642209.30414.1411.camel@edumazet-glaptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 27 Dec 2012 13:03:29 -0800
> On Thu, 2012-12-27 at 14:38 -0600, Larry Finger wrote:
>> On 12/27/2012 02:05 PM, Eric Dumazet wrote:
>> > On Thu, 2012-12-27 at 13:42 -0600, Larry Finger wrote:
>
>> >> + if (pci_dma_mapping_error(np->pci_dev,
>> >> + np->put_tx_ctx->dma))
>> >> + return NETDEV_TX_BUSY;
>> >
>> > Really this is not going to work very well : caller will call this in a
>> > loop.
>>
>> Any suggestions on what value should be returned, or does the caller need to be
>> modified?
>
> NETDEV_TX_BUSY is really obsolete
>
> Documentation/networking/driver.txt
>
> In case of mapping error, I would drop the packet.
Agreed.
prev parent reply other threads:[~2012-12-27 21:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-27 19:42 [PATCH] forcedeth: Fix WARNINGS that result when DMA mapping is not checked Larry Finger
2012-12-27 20:05 ` Eric Dumazet
2012-12-27 20:38 ` Larry Finger
2012-12-27 21:03 ` Eric Dumazet
2012-12-27 21:32 ` David Miller [this message]
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