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=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 1BD81C04AAE for ; Tue, 7 May 2019 05:36:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D8ED02087F for ; Tue, 7 May 2019 05:35:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557207360; bh=yQogMUBQPjk9nrgNv1yeng0T8x7R0pvQDhEzCVBPASc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2Zx9Qud0Qws5n3/ArqmQlHaz1+QPBr5GMjq7LFMtxdGKjl1Ir8OEUa99r2EKt5M6C /YHiCoYaukbBSCk93DJIKldqHC9uM5DE5PFk5jdwJuvX6gnojroPPZ9B3+z2rqKVTS c8U6qCNAothvVnnvRq3rA08lfTqmAQDw3hTMh+WA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727951AbfEGFf6 (ORCPT ); Tue, 7 May 2019 01:35:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:55856 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727357AbfEGFfw (ORCPT ); Tue, 7 May 2019 01:35:52 -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 2C00C2087F; Tue, 7 May 2019 05:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557207352; bh=yQogMUBQPjk9nrgNv1yeng0T8x7R0pvQDhEzCVBPASc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BG579wH5o7r5gSH7s420RRjjYkl1Sgn7Txz9Vqaf7Beo3lpPHqz9+zYO53lG6Th5b mKURfxOHTRgXYAV2oZiQwLfz0qWiyBTaJweliLZsrilbVKOwKWfKpFhzqI7FntspAn /Gt9jkU91ca98AIVNmptMzF6lUCPYUJRNHvv+uzM= 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 5.0 99/99] drm/rockchip: fix for mailbox read validation. Date: Tue, 7 May 2019 01:32:33 -0400 Message-Id: <20190507053235.29900-99-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190507053235.29900-1-sashal@kernel.org> References: <20190507053235.29900-1-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 5a485489a1e2..6c8b14fb1d2f 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