evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: Fix possible integer overflow"

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Linux Build Service Account 2017-02-05 20:53:33 -08:00 • committed by Gerrit - the friendly Code Review server
commit 3e6913ada9
1 changed files with 5 additions and 3 deletions
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8
drivers/video/fbdev/msm/mdp3_ctrl.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -2147,8 +2147,10 @@ static int mdp3_ctrl_lut_config(struct msm_fb_data_type *mfd,
dma = mdp3_session->dma;
if (cfg->cmap.start + cfg->cmap.len > MDP_LUT_SIZE) {
pr_err("Invalid arguments\n");
if ((cfg->cmap.start > MDP_LUT_SIZE) ||
(cfg->cmap.len > MDP_LUT_SIZE) ||
(cfg->cmap.start + cfg->cmap.len > MDP_LUT_SIZE)) {
pr_err("Invalid arguments.\n");
return -EINVAL;
}