crypto: authencesn - Use crypto_aead_set_reqsize helper

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>

diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 91e2cc3..a3da677 100644 (file)
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -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;