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Date: Tue, 11 Nov 2014 19:52:30 +0530 (IST)
From: Tina Johnson <tinajohnson.1234@...il.com>
To: David Miller <davem@...emloft.net>
cc: tinajohnson.1234@...il.com, chas@....nrl.navy.mil,
linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, julia.lawall@...6.fr
Subject: Re: [PATCH] drivers: atm: eni: Add pci_dma_mapping_error() call
On Mon, 10 Nov 2014, David Miller wrote:
> The 'trouble' label assumes that it is recovering and unwinding state
> when an error occurs after the DMA buffer is successfully mapped.
>
> It unconditionally does pci_unmap_single() if 'paddr' is non-zero
> which it might be in the error case depending upon how DMA errors
> are represented on a given platform.
Sorry for the trouble and thankyou for your very helpful comment. I
will send the revised patch.
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