linux-kernel - Re: [PATCH 1/2] spi: core: Fix check for dma_map

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Message-ID: <20140711125727.GO30458@sirena.org.uk>
Date:	Fri, 11 Jul 2014 13:57:27 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-spi@...r.kernel.org, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH 1/2] spi: core: Fix check for dma_map_sg() failures

On Thu, Jul 10, 2014 at 03:29:32PM +0200, Geert Uytterhoeven wrote:
> From: Geert Uytterhoeven <geert+renesas@...der.be>
> 
> According to Documentation/DMA-API.txt, dma_map_sg() returns 0 on failure.
> As spi_map_buf() returns an error code, convert zero into -ENOMEM.
> Keep the existing check for negative numbers just in case.

Applied both, thanks.

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