crypto: gcm - 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/gcm.c b/crypto/gcm.c
index 2e403f6138c14bbcb048d59256f0fb40e2032f2d..b56200eff0293d2f2f590998e8220fc4112ad16e 100644 (file)
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -672,12 +672,12 @@ static int crypto_gcm_init_tfm(struct crypto_tfm *tfm)
 
        align = crypto_tfm_alg_alignmask(tfm);
        align &= ~(crypto_tfm_ctx_alignment() - 1);
-       tfm->crt_aead.reqsize = align +
-               offsetof(struct crypto_gcm_req_priv_ctx, u) +
+       crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
+               align + offsetof(struct crypto_gcm_req_priv_ctx, u) +
                max(sizeof(struct ablkcipher_request) +
                    crypto_ablkcipher_reqsize(ctr),
                    sizeof(struct ahash_request) +
-                   crypto_ahash_reqsize(ghash));
+                   crypto_ahash_reqsize(ghash)));
 
        return 0;
 
@@ -946,10 +946,10 @@ static int crypto_rfc4106_init_tfm(struct crypto_tfm *tfm)
 
        align = crypto_aead_alignmask(aead);
        align &= ~(crypto_tfm_ctx_alignment() - 1);
-       tfm->crt_aead.reqsize = sizeof(struct aead_request) +
-                               ALIGN(crypto_aead_reqsize(aead),
-                                     crypto_tfm_ctx_alignment()) +
-                               align + 16;
+       crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
+               sizeof(struct aead_request) +
+               ALIGN(crypto_aead_reqsize(aead), crypto_tfm_ctx_alignment()) +
+               align + 16);
 
        return 0;
 }
@@ -1256,10 +1256,10 @@ static int crypto_rfc4543_init_tfm(struct crypto_tfm *tfm)
 
        align = crypto_aead_alignmask(aead);
        align &= ~(crypto_tfm_ctx_alignment() - 1);
-       tfm->crt_aead.reqsize = sizeof(struct crypto_rfc4543_req_ctx) +
-                               ALIGN(crypto_aead_reqsize(aead),
-                                     crypto_tfm_ctx_alignment()) +
-                               align + 16;
+       crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
+               sizeof(struct crypto_rfc4543_req_ctx) +
+               ALIGN(crypto_aead_reqsize(aead), crypto_tfm_ctx_alignment()) +
+               align + 16);
 
        return 0;