netdev - RE: atl1c DMA-API mapping errors in 3.8-rc6+

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Message-ID: <157393863283F442885425D2C4542856489C67E4@nasanexd02f.na.qualcomm.com>
Date:	Mon, 11 Feb 2013 16:10:26 +0000
From:	"Huang, Xiong" <xiong@....qualcomm.com>
To:	Josh Boyer <jwboyer@...hat.com>, Jay Cliburn <jcliburn@...il.com>,
	"Chris Snook" <chris.snook@...il.com>
CC:	"David S. Miller" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"sgruszka@...hat.com" <sgruszka@...hat.com>,
	nic-devel <nic-devel@....qualcomm.com>
Subject: RE: atl1c DMA-API mapping errors in 3.8-rc6+

> 
> We've had two different reports[1] in Fedora of users hitting DMA-API errors
> with the atl1c driver on 3.8-rc6+.  The errors are from different locations, but
> the problem is the same.  Essentially, the driver isn't doing any form of
> pci_dma_mapping_error checking after calling pci_map_single.
> 


Josh, I will add pci_dma_mapping_error checking, thanks for your help !


BR.
Xiong
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