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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 2D93CC43219 for ; Tue, 30 Apr 2019 12:02:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F219620835 for ; Tue, 30 Apr 2019 12:02:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556625759; bh=2hJO33y6xG6dZGi64IAc+Gc6JX8eta9NK0ALhUZtzJM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IBE9DVn9uNjxEwdlB8IE15vGUV2e86jxhinkbYNJYh9n93M1AkvE9y7A878pxupIl UBpQlUu06dmBcld7KV42+DA12iTPDQAMtZzolRxr8GfyywqxSkbum/yYnVXQl3dCK8 axgY/K0LOjQJxWejnWj+P68/xgsfW6z/K5HR4ldU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726689AbfD3MCd (ORCPT ); Tue, 30 Apr 2019 08:02:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:54840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728550AbfD3LoB (ORCPT ); Tue, 30 Apr 2019 07:44:01 -0400 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 1E17921670; Tue, 30 Apr 2019 11:43:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556624640; bh=2hJO33y6xG6dZGi64IAc+Gc6JX8eta9NK0ALhUZtzJM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pSZVcSWrxcT9NXN7+Qmy7buBHEqjN0LNpc7V553gavJmjee9IyzxUeEclG1h9Inxw +wQ5JSqZ12W1RCf+P5yT4RlR79c5ucdHaNX6od4Ke9RdvfdQhTT4WnusL5+N80F+eJ apMjzpsS7KAXkO+9SWhgwj6QU3Pg1D4yvH4FakgY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Damian Kos , Heiko Stuebner , Sasha Levin Subject: [PATCH 4.19 017/100] drm/rockchip: fix for mailbox read validation. Date: Tue, 30 Apr 2019 13:37:46 +0200 Message-Id: <20190430113609.403796517@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190430113608.616903219@linuxfoundation.org> References: <20190430113608.616903219@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 [ 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]; -- 2.19.1