crypto: akcipher - Set request tfm on sync path

The request tfm needs to be set.

Fixes: addde1f2c9 ("crypto: akcipher - Add sync interface without SG lists")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202306261421.2ac744fa-oliver.sang@intel.com
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/akcipher.c

@@ -207,6 +207,7 @@ int crypto_akcipher_sync_prep(struct crypto_akcipher_sync_data *data)
 		return -ENOMEM;
 
 	data->req = req;
+	akcipher_request_set_tfm(req, data->tfm);
 
 	buf = (u8 *)(req + 1) + reqsize;
 	data->buf = buf;