Messages in this thread | | | Date | Wed, 17 Jun 2015 15:18:29 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v5 05/14] crypto: marvell/CESA: add TDMA support |
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On Wed, Jun 17, 2015 at 09:15:03AM +0200, Boris Brezillon wrote: > > Anyway, now I'm doing the following test: > > if (creq->src_nents && !ret) > return -ENOMEM;
Best not call dma_map_sg at all in the !src_nents case as I think some architectures will WARN or BUG if you give it a zero-length list.
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
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