From patchwork Wed Aug 24 06:57:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 600176 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86883C00140 for ; Wed, 24 Aug 2022 06:57:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235240AbiHXG5c (ORCPT ); Wed, 24 Aug 2022 02:57:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232474AbiHXG5b (ORCPT ); Wed, 24 Aug 2022 02:57:31 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7806D85FD5 for ; Tue, 23 Aug 2022 23:57:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2C807B82371 for ; Wed, 24 Aug 2022 06:57:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 592ECC433C1; Wed, 24 Aug 2022 06:57:27 +0000 (UTC) Message-ID: <5b23b429-f2b7-5d18-8f35-2c41a3e4be54@xs4all.nl> Date: Wed, 24 Aug 2022 08:57:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Content-Language: en-US To: "linux-media@vger.kernel.org" Cc: Alain Volmat , Benjamin Gaignard From: Hans Verkuil Subject: [PATCH] media/cec: use CEC_MAX_MSG_SIZE instead of hardcoded 16 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use the proper define for the maximum CEC message length instead of hardcoding it. Signed-off-by: Hans Verkuil diff --git a/drivers/media/cec/platform/sti/stih-cec.c b/drivers/media/cec/platform/sti/stih-cec.c index abf8e8bcbb34..4edbdd09535d 100644 --- a/drivers/media/cec/platform/sti/stih-cec.c +++ b/drivers/media/cec/platform/sti/stih-cec.c @@ -256,8 +256,8 @@ static void stih_rx_done(struct stih_cec *cec, u32 status) if (!msg.len) return; - if (msg.len > 16) - msg.len = 16; + if (msg.len > CEC_MAX_MSG_SIZE) + msg.len = CEC_MAX_MSG_SIZE; for (i = 0; i < msg.len; i++) msg.msg[i] = readl(cec->regs + CEC_RX_DATA_BASE + i); diff --git a/drivers/media/i2c/adv7511-v4l2.c b/drivers/media/i2c/adv7511-v4l2.c index 202e0cd83f90..910b5e83946a 100644 --- a/drivers/media/i2c/adv7511-v4l2.c +++ b/drivers/media/i2c/adv7511-v4l2.c @@ -943,8 +943,8 @@ static int adv7511_isr(struct v4l2_subdev *sd, u32 status, bool *handled) v4l2_dbg(1, debug, sd, "%s: cec msg len %d\n", __func__, msg.len); - if (msg.len > 16) - msg.len = 16; + if (msg.len > CEC_MAX_MSG_SIZE) + msg.len = CEC_MAX_MSG_SIZE; if (msg.len) { u8 i; diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 497419a5cfdd..815fe108281f 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -2047,8 +2047,8 @@ static void adv76xx_cec_isr(struct v4l2_subdev *sd, bool *handled) struct cec_msg msg; msg.len = cec_read(sd, 0x25) & 0x1f; - if (msg.len > 16) - msg.len = 16; + if (msg.len > CEC_MAX_MSG_SIZE) + msg.len = CEC_MAX_MSG_SIZE; if (msg.len) { u8 i; diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index 22caa070273b..c541f9b3444b 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -2215,8 +2215,8 @@ static void adv7842_cec_isr(struct v4l2_subdev *sd, bool *handled) struct cec_msg msg; msg.len = cec_read(sd, 0x25) & 0x1f; - if (msg.len > 16) - msg.len = 16; + if (msg.len > CEC_MAX_MSG_SIZE) + msg.len = CEC_MAX_MSG_SIZE; if (msg.len) { u8 i;