diff options
| -rw-r--r-- | include/crypto/scatterwalk.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h index 833d208c25d..4fd95a323be 100644 --- a/include/crypto/scatterwalk.h +++ b/include/crypto/scatterwalk.h @@ -68,6 +68,21 @@ static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg) return (++sg)->length ? sg : (void *)sg_page(sg); } +static inline void scatterwalk_crypto_chain(struct scatterlist *head, + struct scatterlist *sg, + int chain, int num) +{ + if (chain) { + head->length += sg->length; + sg = scatterwalk_sg_next(sg); + } + + if (sg) + scatterwalk_sg_chain(head, num, sg); + else + sg_mark_end(head); +} + static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in, struct scatter_walk *walk_out) { |