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[209.132.180.67]) by mx.google.com with ESMTP id k190si3194024pgd.283.2019.05.06.22.41.47; Mon, 06 May 2019 22:42:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=VGPSZrDy; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729256AbfEGFlB (ORCPT + 99 others); Tue, 7 May 2019 01:41:01 -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