Messages in this thread | | | Date | Wed, 17 Jun 2015 17:50:01 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v6 05/14] crypto: marvell/CESA: add TDMA support |
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On Wed, Jun 17, 2015 at 09:45:33AM +0200, Boris Brezillon wrote: > > + ret = dma_map_sg(cesa_dev->dev, req->src, creq->src_nents, > + DMA_TO_DEVICE); > + if (!ret) > + return -ENOMEM; > + > + creq->src_nents = ret;
DMA-API-HOWTO says that you must retain the original nents and use it when you call dma_unmap_sg. So I'm afraid one more repost is needed :)
Thanks, -- 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
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