From c920fa6051c1e7eb3733eaefd01e5bcdddb3d4c8 Mon Sep 17 00:00:00 2001 From: Steffen Klassert Date: Mon, 22 Nov 2010 11:26:54 +0100 Subject: crypto: Use scatterwalk_crypto_chain Use scatterwalk_crypto_chain in favor of locally defined chaining functions. Signed-off-by: Steffen Klassert Signed-off-by: Herbert Xu --- crypto/authenc.c | 22 ++++------------------ 1 file changed, 4 insertions(+), 18 deletions(-) (limited to 'crypto/authenc.c') diff --git a/crypto/authenc.c b/crypto/authenc.c index a5a22cfcd07b..5ef7ba6b6a76 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -107,20 +107,6 @@ badkey: goto out; } -static void authenc_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 void authenc_geniv_ahash_update_done(struct crypto_async_request *areq, int err) { @@ -345,7 +331,7 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv, if (ivsize) { sg_init_table(cipher, 2); sg_set_buf(cipher, iv, ivsize); - authenc_chain(cipher, dst, vdst == iv + ivsize); + scatterwalk_crypto_chain(cipher, dst, vdst == iv + ivsize, 2); dst = cipher; cryptlen += ivsize; } @@ -354,7 +340,7 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv, authenc_ahash_fn = crypto_authenc_ahash; sg_init_table(asg, 2); sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset); - authenc_chain(asg, dst, 0); + scatterwalk_crypto_chain(asg, dst, 0, 2); dst = asg; cryptlen += req->assoclen; } @@ -499,7 +485,7 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv, if (ivsize) { sg_init_table(cipher, 2); sg_set_buf(cipher, iv, ivsize); - authenc_chain(cipher, src, vsrc == iv + ivsize); + scatterwalk_crypto_chain(cipher, src, vsrc == iv + ivsize, 2); src = cipher; cryptlen += ivsize; } @@ -508,7 +494,7 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv, authenc_ahash_fn = crypto_authenc_ahash; sg_init_table(asg, 2); sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset); - authenc_chain(asg, src, 0); + scatterwalk_crypto_chain(asg, src, 0, 2); src = asg; cryptlen += req->assoclen; } -- cgit v1.2.3-58-ga151