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47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From ef86560a21fe1f256f6ba772a195201ff202c657 Mon Sep 17 00:00:00 2001
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From: "Sravan Kumar D.V.N" <sravank1@codeaurora.org>
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Date: Fri, 6 Jan 2017 13:50:04 +0530
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Subject: msm: mdss: Clear compat structures before copying to user
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In the compat layer, the temporary structures used to convert
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data from 32bit to 64bit structures need to be set to 0 before
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being assigned values.
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CRs-Fixed: 1103689
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Change-Id: I405500f427f3f4dc4d38a9fb188fece9a31614ca
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Signed-off-by: Sravan Kumar D.V.N <sravank1@codeaurora.org>
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---
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drivers/video/msm/mdss/mdss_compat_utils.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/drivers/video/msm/mdss/mdss_compat_utils.c b/drivers/video/msm/mdss/mdss_compat_utils.c
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index ce786f2..35b1b49 100644
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--- a/drivers/video/msm/mdss/mdss_compat_utils.c
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+++ b/drivers/video/msm/mdss/mdss_compat_utils.c
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@@ -1,5 +1,5 @@
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/*
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- * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
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+ * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
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* Copyright (C) 1994 Martin Schaller
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*
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* 2001 - Documented with DocBook
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@@ -965,6 +965,7 @@ static int __to_user_pcc_coeff_v1_7(
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struct mdp_pcc_data_v1_7_32 pcc_cfg_payload32;
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struct mdp_pcc_data_v1_7 pcc_cfg_payload;
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+ memset(&pcc_cfg_payload32, 0, sizeof(pcc_cfg_payload32));
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if (copy_from_user(&pcc_cfg_payload,
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pcc_cfg->cfg_payload,
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sizeof(struct mdp_pcc_data_v1_7))) {
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@@ -2160,6 +2161,7 @@ static int __to_user_pa_data_v1_7(
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struct mdp_pa_data_v1_7_32 pa_cfg_payload32;
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struct mdp_pa_data_v1_7 pa_cfg_payload;
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+ memset(&pa_cfg_payload32, 0, sizeof(pa_cfg_payload32));
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if (copy_from_user(&pa_cfg_payload,
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pa_v2_cfg->cfg_payload,
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sizeof(pa_cfg_payload))) {
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--
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cgit v1.1
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