The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
                return PTR_ERR(child_tfm);
 
        ctx->child = child_tfm;
+
+       akcipher_set_reqsize(tfm, sizeof(struct pkcs1pad_request) +
+                                 crypto_akcipher_reqsize(child_tfm));
+
        return 0;
 }
 
        inst->alg.set_pub_key = pkcs1pad_set_pub_key;
        inst->alg.set_priv_key = pkcs1pad_set_priv_key;
        inst->alg.max_size = pkcs1pad_get_max_size;
-       inst->alg.reqsize = sizeof(struct pkcs1pad_request) + rsa_alg->reqsize;
 
        inst->free = pkcs1pad_free;