From: David Miller <davem@davemloft.net>
To: Larry.Finger@lwfinger.net
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] forcedeth: Fix WARNINGS that result when DMA mapping is not checked
Date: Fri, 28 Dec 2012 15:30:50 -0800 (PST) [thread overview]
Message-ID: <20121228.153050.510027882505530294.davem@davemloft.net> (raw)
In-Reply-To: <1356665141-4498-1-git-send-email-Larry.Finger@lwfinger.net>
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 27 Dec 2012 21:25:41 -0600
> With 3.8-rc1, the first call of pci_map_single() that is not checked
> with a corresponding pci_dma_mapping_error() call results in a warning
> with a splat as follows:
>
> WARNING: at lib/dma-debug.c:933 check_unmap+0x480/0x950()
> Hardware name: HP Pavilion dv2700 Notebook PC
> forcedeth 0000:00:0a.0: DMA-API: device driver failed to check
> map error[device address=0x00000000b176e002] [size=90 bytes] [mapped as single]
>
> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Applied, thanks Larry.
prev parent reply other threads:[~2012-12-28 23:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 3:25 [PATCH V2] forcedeth: Fix WARNINGS that result when DMA mapping is not checked Larry Finger
2012-12-28 23:30 ` David Miller [this message]
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