crypto: sun8i-ss - Use helper to set reqsize

The value of reqsize must only be changed through the helper.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c

@@ -405,9 +405,8 @@ int sun8i_ss_cipher_init(struct crypto_tfm *tfm)
 		return PTR_ERR(op->fallback_tfm);
 	}
 
-	sktfm->reqsize = sizeof(struct sun8i_cipher_req_ctx) +
-			 crypto_skcipher_reqsize(op->fallback_tfm);
-
+	crypto_skcipher_set_reqsize(sktfm, sizeof(struct sun8i_cipher_req_ctx) +
+				    crypto_skcipher_reqsize(op->fallback_tfm));
 
 	memcpy(algt->fbname,
 	       crypto_tfm_alg_driver_name(crypto_skcipher_tfm(op->fallback_tfm)),