crypto: Use scatterwalk_crypto_chain
Use scatterwalk_crypto_chain in favor of locally defined chaining functions.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index 3ca3b66..42ce9f5 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -62,20 +62,6 @@
skcipher_givcrypt_complete(req, err);
}
-static void eseqiv_chain(struct scatterlist *head, struct scatterlist *sg,
- int chain)
-{
- if (chain) {
- head->length += sg->length;
- sg = scatterwalk_sg_next(sg);
- }
-
- if (sg)
- scatterwalk_sg_chain(head, 2, sg);
- else
- sg_mark_end(head);
-}
-
static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
{
struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
@@ -124,13 +110,13 @@
sg_init_table(reqctx->src, 2);
sg_set_buf(reqctx->src, giv, ivsize);
- eseqiv_chain(reqctx->src, osrc, vsrc == giv + ivsize);
+ scatterwalk_crypto_chain(reqctx->src, osrc, vsrc == giv + ivsize, 2);
dst = reqctx->src;
if (osrc != odst) {
sg_init_table(reqctx->dst, 2);
sg_set_buf(reqctx->dst, giv, ivsize);
- eseqiv_chain(reqctx->dst, odst, vdst == giv + ivsize);
+ scatterwalk_crypto_chain(reqctx->dst, odst, vdst == giv + ivsize, 2);
dst = reqctx->dst;
}