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crypto: authencesn - Use crypto_aead_set_reqsize helper

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This patch uses the crypto_aead_set_reqsize helper to avoid directly
touching the internals of aead.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-05-11 17:47:55 +08:00
parent 25df919430
commit 6650d09b3a
1 changed files with 8 additions and 7 deletions
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15
crypto/authencesn.c
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@ -662,13 +662,14 @@ static int crypto_authenc_esn_init_tfm(struct crypto_tfm *tfm)
crypto_ahash_alignmask(auth) + 1) +
crypto_ablkcipher_ivsize(enc);
tfm->crt_aead.reqsize = sizeof(struct authenc_esn_request_ctx) +
ctx->reqoff +
max_t(unsigned int,
crypto_ahash_reqsize(auth) +
sizeof(struct ahash_request),
sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(enc));
crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
sizeof(struct authenc_esn_request_ctx) +
ctx->reqoff +
max_t(unsigned int,
crypto_ahash_reqsize(auth) +
sizeof(struct ahash_request),
sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(enc)));
return 0;