From patchwork Wed Apr 22 12:58:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 197843 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3308C5518A for ; Wed, 22 Apr 2020 12:58:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CBE6620857 for ; Wed, 22 Apr 2020 12:58:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726834AbgDVM62 (ORCPT ); Wed, 22 Apr 2020 08:58:28 -0400 Received: from mga17.intel.com ([192.55.52.151]:56500 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726818AbgDVM61 (ORCPT ); Wed, 22 Apr 2020 08:58:27 -0400 IronPort-SDR: Yf32zr61Tcpm3rYalfORguacY0oO9CezhpMcp6BXtWjkpIGOqsTl9W3jn2nObujxyhGNIufqe0 y1aryWZaMoTg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2020 05:58:27 -0700 IronPort-SDR: 0DXt+2aQneNWPvZhB68PySp4KS95cknotsuqDKdDXRNPXsRV+tM+WY/PMMEjXdPBaVB06FTBRP 8Hi9kPxjgj1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,414,1580803200"; d="scan'208";a="273874484" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 22 Apr 2020 05:58:10 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 6967958F; Wed, 22 Apr 2020 15:58:09 +0300 (EEST) From: Andy Shevchenko To: Sumit Garg , tee-dev@lists.linaro.org, Matt Mackall , Herbert Xu , linux-crypto@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1] hwrng: Use UUID API for exporting the UUID Date: Wed, 22 Apr 2020 15:58:08 +0300 Message-Id: <20200422125808.38278-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.26.1 MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org There is export_uuid() function which exports uuid_t to the u8 array. Use it instead of open coding variant. This allows to hide the uuid_t internals. Signed-off-by: Andy Shevchenko --- drivers/char/hw_random/optee-rng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c index ddfbabaa5f8f6..49b2e02537ddb 100644 --- a/drivers/char/hw_random/optee-rng.c +++ b/drivers/char/hw_random/optee-rng.c @@ -226,7 +226,7 @@ static int optee_rng_probe(struct device *dev) return -ENODEV; /* Open session with hwrng Trusted App */ - memcpy(sess_arg.uuid, rng_device->id.uuid.b, TEE_IOCTL_UUID_LEN); + export_uuid(sess_arg.uuid, &rng_device->id.uuid); sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC; sess_arg.num_params = 0;