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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, T_DKIMWL_WL_HIGH,URIBL_BLOCKED,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 019F5C004C9 for ; Tue, 7 May 2019 05:41:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD2B020578 for ; Tue, 7 May 2019 05:41:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557207663; bh=1ldGnMoVIE7IfFksfZrcv0xOBczTvmrB4Lnn1lZl4ws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QhkjlRjSF+GhS8Kk9rCj8ugtFAuWcNyFAaquUyJVQbLPn2Aj0mgmjMfys3vCR5jhI xITu7krd7aAztOG0sHRwGMiPJQ0uRwK5GJetz+bILwUMkrZ17oEG/bLDMj25MqSxGu /5S169yIrbYQuEnsAUfkMKkzCvqm4NH8DKC1MH4U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729260AbfEGFlC (ORCPT ); Tue, 7 May 2019 01:41:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:60426 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729249AbfEGFk6 (ORCPT ); Tue, 7 May 2019 01:40:58 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 21AF52087F; Tue, 7 May 2019 05:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557207657; bh=1ldGnMoVIE7IfFksfZrcv0xOBczTvmrB4Lnn1lZl4ws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VGPSZrDyvWWtQbWcZmKQMw7Urg1U3p72VXFB2u2VXt8xVWhk3xSwAKJYLm9Jl+sLY 78HkcdI8+BVpqRld+BBkUpVOVdmE/oPUIczUfMbgaFQrdH6eWwh0kqm8LNUPAls7fh KSZtK0CmsUt/w+lT8gFR8lFZZkP+bGYJvw67VCW0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Damian Kos , Heiko Stuebner , Sasha Levin , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org Subject: [PATCH AUTOSEL 4.14 82/95] drm/rockchip: fix for mailbox read validation. Date: Tue, 7 May 2019 01:38:11 -0400 Message-Id: <20190507053826.31622-82-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190507053826.31622-1-sashal@kernel.org> References: <20190507053826.31622-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Damian Kos [ Upstream commit e4056bbb6719fe713bfc4030ac78e8e97ddf7574 ] This is basically the same fix as in commit fa68d4f8476b ("drm/rockchip: fix for mailbox read size") but for cdn_dp_mailbox_validate_receive function. See patchwork.kernel.org/patch/10671981/ for details. Signed-off-by: Damian Kos Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/1542640463-18332-1-git-send-email-dkos@cadence.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/cdn-dp-reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 0ed7e91471f6..4df201d21f27 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -113,7 +113,7 @@ static int cdp_dp_mailbox_write(struct cdn_dp_device *dp, u8 val) static int cdn_dp_mailbox_validate_receive(struct cdn_dp_device *dp, u8 module_id, u8 opcode, - u8 req_size) + u16 req_size) { u32 mbox_size, i; u8 header[4]; -- 2.20.1