Re: [RESEND PATCH v4 05/14] crypto: marvell/CESA: add TDMA support

From: Herbert Xu
Date: Mon Jun 15 2015 - 06:10:01 EST


On Fri, Jun 12, 2015 at 09:15:57AM +0200, Boris Brezillon wrote:
>
> + ret = dma_map_sg(cesa_dev->dev, req->src, creq->src_nents,
> + DMA_TO_DEVICE);
> + if (ret < 0)

This function returns zero on error, not negative. See
Documentation/DMA-API-HOWTO.txt for details.

Cheers,
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Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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