On Wed, Jun 17, 2015 at 05:34:02PM +0200, Boris Brezillon wrote: > > I can check for that too, but note that it doesn't prevent one from > providing different scatterlist structures pointing to the same memory > region.
Pointing to the same memory should be fine, it's the act of passing the same SG list to dma_map_sg twice that's wrong because dma_map_sg will modify the SG list. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
