linux-kernel - Re: [PATCH V2] forcedeth: Fix WARNINGS that result when DMA mapping is not checked

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Message-Id: <20121228.153050.510027882505530294.davem@davemloft.net>
Date:	Fri, 28 Dec 2012 15:30:50 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	Larry.Finger@...inger.net
Cc:	linville@...driver.com, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] forcedeth: Fix WARNINGS that result when DMA
 mapping is not checked

From: Larry Finger <Larry.Finger@...inger.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@...il.com>
> Signed-off-by: Larry Finger <Larry.Finger@...inger.net>

Applied, thanks Larry.
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