From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 4F5BCC282DD for ; Tue, 7 Jan 2020 21:13:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 18E552080A for ; Tue, 7 Jan 2020 21:13:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578431597; bh=UqSgkSoypGxpx/dHNDDedIwHHPBiqT261SUJweTrzec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=coAD0N6Kvnq2zBGYXJFpi5DY21E0vX40Mc4duGlkNQ7YlmQf6UHAgo77RZRl3FCtq 3qpuE2Vph56b15yiAt2uHS5PrfCfEOpV8ItAyoQKm+UK/DHjpvuY7nQ0OoV7abtzeR pb2wONrmkQLo34QtxOEbfC8FLsjQltC6PEAw+ItA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729978AbgAGVKd (ORCPT ); Tue, 7 Jan 2020 16:10:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:37392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729834AbgAGVKc (ORCPT ); Tue, 7 Jan 2020 16:10:32 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B6DCF2072A; Tue, 7 Jan 2020 21:10:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578431432; bh=UqSgkSoypGxpx/dHNDDedIwHHPBiqT261SUJweTrzec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ao3MlVlRJY4M9fGXHXzIu054KhbCOKPIsfBjI9U8ruz4NnARUtu9PPMq6oFULYfPw c2ucYcRlwKQta5m5xyidNMYc5QGoWXULN7jzAvZC0QmTHiSiDrCxoon+Dqp4houhuS iPdHfnpSpPSniic6lkmW2nn6ekAbSrkmDw9Nt5Rg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH 4.14 27/74] media: cec: CEC 2.0-only bcast messages were ignored Date: Tue, 7 Jan 2020 21:54:52 +0100 Message-Id: <20200107205157.081526932@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200107205135.369001641@linuxfoundation.org> References: <20200107205135.369001641@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Hans Verkuil commit cec935ce69fc386f13959578deb40963ebbb85c3 upstream. Some messages are allowed to be a broadcast message in CEC 2.0 only, and should be ignored by CEC 1.4 devices. Unfortunately, the check was wrong, causing such messages to be marked as invalid under CEC 2.0. Signed-off-by: Hans Verkuil Cc: # for v4.10 and up Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/cec/cec-adap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1031,11 +1031,11 @@ void cec_received_msg_ts(struct cec_adap valid_la = false; else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED)) valid_la = false; - else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST1_4)) + else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST)) valid_la = false; else if (cec_msg_is_broadcast(msg) && - adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0 && - !(dir_fl & BCAST2_0)) + adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 && + !(dir_fl & BCAST1_4)) valid_la = false; } if (valid_la && min_len) {