From 1683ab87bd6b54dee21a4c55cd3067f3513ac8cd Mon Sep 17 00:00:00 2001
From: Yuan Lin <yualin@google.com>
Date: Fri, 25 Mar 2016 00:23:23 -0700
Subject: [PATCH] msm: display: Validate MDP, MDDI and HDMI reg offset bugfix

There were several missing/wrong reg offset checkings in
CL 545196.

BUG=26404525

Change-Id: Ie928012e65bc8c3b1816bf6e14bede3e1e40cfea
---
 drivers/video/msm/mdp_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/msm/mdp_debugfs.c b/drivers/video/msm/mdp_debugfs.c
index 15ef5f5b8325..be4eac56610c 100644
--- a/drivers/video/msm/mdp_debugfs.c
+++ b/drivers/video/msm/mdp_debugfs.c
@@ -1272,7 +1272,7 @@ static ssize_t hdmi_reg_write(
 
 	cnt = sscanf(debug_buf, "%x %x", &off, &data);
 
-	if (cnt != 1)
+	if (cnt != 2)
 		return -EFAULT;
 
 	if (off > HDMI_MAX_OFFSET) {
-- 
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