| Date | Mon, 15 Jun 2015 18:09:20 +0800 | From | Herbert Xu <> | Subject | Re: [RESEND PATCH v4 05/14] crypto: marvell/CESA: add TDMA support |
| |
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, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
|