pandora: defconfig: update

[pandora-kernel.git] / crypto / authenc.c

diff --git a/crypto/authenc.c b/crypto/authenc.c
index a5a22cf..112b4e3 100644 (file)
--- 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;
        }
@@ -382,9 +368,10 @@ static void crypto_authenc_encrypt_done(struct crypto_async_request *req,
        if (!err) {
                struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
                struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
-               struct ablkcipher_request *abreq = aead_request_ctx(areq);
-               u8 *iv = (u8 *)(abreq + 1) +
-                        crypto_ablkcipher_reqsize(ctx->enc);
+               struct authenc_request_ctx *areq_ctx = aead_request_ctx(areq);
+               struct ablkcipher_request *abreq = (void *)(areq_ctx->tail
+                                                           + ctx->reqoff);
+               u8 *iv = (u8 *)abreq - crypto_ablkcipher_ivsize(ctx->enc);
 
                err = crypto_authenc_genicv(areq, iv, 0);
        }
@@ -499,7 +486,7 @@ 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 +495,7 @@ 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;
        }
@@ -723,3 +710,4 @@ module_exit(crypto_authenc_module_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Simple AEAD wrapper for IPsec");
+MODULE_ALIAS_CRYPTO("authenc");