spu_sg_at_offset
if (spu_sg_at_offset(req->src, req->assoclen, &rctx->src_sg,
if (spu_sg_at_offset(req->dst, req->assoclen, &rctx->dst_sg,
if (spu_sg_at_offset(sg_list, skip, &sg, &offset) < 0)
int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip,