On Mon, Jun 15, 2015 at 04:52:53PM -0700, Victoria Milhoan wrote:
>
> @@ -91,9 +91,14 @@ static int dma_map_sg_chained(struct device *dev, struct
> scatterlist *sg,
> {
> if (unlikely(chained)) {
> int i;
> + struct scatterlist *tsg = sg;
> +
> + /* We use a local copy of the sg pointer to avoid moving the
> + * head of the list pointed to by sg as we wall the list.
> + */
> for (i = 0; i < nents; i++) {
> - dma_map_sg(dev, sg, 1, dir);
> - sg = sg_next(sg);
> + dma_map_sg(dev, tsg, 1, dir);
> + tsg = scatterwalk_sg_next(tsg);
Please do not use scatterwalk_sg_next as it is obsolete and is
otherwise identical to sg_next.
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
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