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Commit 92a02135 authored by Ping Li's avatar Ping Li Committed by Gerrit - the friendly Code Review server
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msm: mdss: Fix uninitialized return value for compact ioctl function 



Initialize the return value before using or returning to user space
to avoid returning uninitialised values to user space.

Change-Id: Iac43744830d725cf69120603befc3e4dd758d031
Signed-off-by: default avatarPing Li <pingli@codeaurora.org>
parent 4df29b7c

drivers/video/msm/mdss/mdss_compat_utils.c

+2 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.

 * Copyright (C) 1994 Martin Schaller

 *

 * 2001 - Documented with DocBook
@@ -907,7 +907,7 @@ static int __to_user_lut_cfg_data( 
			struct mdp_lut_cfg_data __user *lut_cfg)

{

	uint32_t lut_type;

	int ret;

	int ret = 0;



	if (copy_from_user(&lut_type, &lut_cfg->lut_type,

			sizeof(uint32_t)))