From patchwork Thu Dec 3 11:00:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 11948439 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 4474CC63777 for ; Thu, 3 Dec 2020 11:03:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3914208FE for ; Thu, 3 Dec 2020 11:03:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728989AbgLCLDc (ORCPT ); Thu, 3 Dec 2020 06:03:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727069AbgLCLDc (ORCPT ); Thu, 3 Dec 2020 06:03:32 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0720C061A4E for ; Thu, 3 Dec 2020 03:02:51 -0800 (PST) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kkmNs-0002Ko-P8; Thu, 03 Dec 2020 12:02:49 +0100 Received: from mtr by dude03.red.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kkmNr-00CKhX-Pt; Thu, 03 Dec 2020 12:02:47 +0100 From: Michael Tretter To: linux-media@vger.kernel.org Cc: kernel@pengutronix.de, hverkuil-cisco@xs4all.nl, mchehab@kernel.org, Michael Tretter Date: Thu, 3 Dec 2020 12:00:50 +0100 Message-Id: <20201203110106.2939463-3-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201203110106.2939463-1-m.tretter@pengutronix.de> References: <20201203110106.2939463-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: mtr@pengutronix.de Subject: [PATCH 02/18] media: allegro: add helper to report unsupported fields X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: linux-media@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Allow generators to explicitly signal an error if the C structs contain unsupported or invalid fields. Signed-off-by: Michael Tretter --- drivers/media/platform/allegro-dvt/nal-rbsp.c | 5 +++++ drivers/media/platform/allegro-dvt/nal-rbsp.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/media/platform/allegro-dvt/nal-rbsp.c b/drivers/media/platform/allegro-dvt/nal-rbsp.c index 935ba23844f2..d911322d0efa 100644 --- a/drivers/media/platform/allegro-dvt/nal-rbsp.c +++ b/drivers/media/platform/allegro-dvt/nal-rbsp.c @@ -29,6 +29,11 @@ void rbsp_init(struct rbsp *rbsp, void *addr, size_t size, rbsp->error = 0; } +void rbsp_unsupported(struct rbsp *rbsp) +{ + rbsp->error = -EINVAL; +} + static int rbsp_read_bits(struct rbsp *rbsp, int n, unsigned int *value); static int rbsp_write_bits(struct rbsp *rbsp, int n, unsigned int value); diff --git a/drivers/media/platform/allegro-dvt/nal-rbsp.h b/drivers/media/platform/allegro-dvt/nal-rbsp.h index 90cc1a4f716d..c72f49fed8d3 100644 --- a/drivers/media/platform/allegro-dvt/nal-rbsp.h +++ b/drivers/media/platform/allegro-dvt/nal-rbsp.h @@ -49,6 +49,7 @@ extern struct nal_rbsp_ops read; void rbsp_init(struct rbsp *rbsp, void *addr, size_t size, struct nal_rbsp_ops *ops); +void rbsp_unsupported(struct rbsp *rbsp); void rbsp_bit(struct rbsp *rbsp, int *value); void rbsp_bits(struct rbsp *rbsp, int n, int *value);