diff options
| author | David S. Miller <davem@davemloft.net> | 2011-01-24 13:17:06 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-24 13:17:06 -0800 |
| commit | e92427b289d252cfbd4cb5282d92f4ce1a5bb1fb (patch) | |
| tree | 6d30e5e7b7f8e9aaa51d43b7128ac56860fa03bb /include/crypto/scatterwalk.h | |
| parent | c506653d35249bb4738bb139c24362e1ae724bc1 (diff) | |
| parent | ec30f343d61391ab23705e50a525da1d55395780 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/crypto/scatterwalk.h')
| -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 833d208c25d6..4fd95a323beb 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) { |