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crypto: authenc - 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 17:47:53 +08:00
parent 21b7013414
commit 25df919430
1 changed files with 8 additions and 7 deletions
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15
crypto/authenc.c
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@ -570,13 +570,14 @@ static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
crypto_ahash_alignmask(auth) + 1) + crypto_ahash_alignmask(auth) + 1) +
crypto_ablkcipher_ivsize(enc); crypto_ablkcipher_ivsize(enc);
tfm->crt_aead.reqsize = sizeof(struct authenc_request_ctx) + crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
ctx->reqoff + sizeof(struct authenc_request_ctx) +
max_t(unsigned int, ctx->reqoff +
crypto_ahash_reqsize(auth) + max_t(unsigned int,
sizeof(struct ahash_request), crypto_ahash_reqsize(auth) +
sizeof(struct skcipher_givcrypt_request) + sizeof(struct ahash_request),
crypto_ablkcipher_reqsize(enc)); sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(enc)));
return 0; return 0;