On Wed, 17 Jun 2015 15:18:29 +0800 Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > 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. Okay, I've changed it to test for the !src_nents before calling dma_map_sg. Thanks, Boris -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
