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>

1 files changed, 8 insertions, 7 deletions

diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 91e2cc31086a..a3da6770bc9e 100644
--- 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;