evie/android_kernel_oneplus_msm8998
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msm: mdss: Fix Gamma LUT bounds condition

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Validate the Gamma correction feature with all bound condition.
This change corrects the Gamma LUT block bound condition.

Change-Id: I3fc460b6a6e2e76f7c07b649e1db1e01ce208476
Signed-off-by: Ch Ganesh Kumar <chganesh@codeaurora.org>
This commit is contained in:
Ch Ganesh Kumar 2018-08-20 13:35:37 +05:30 • committed by Gerrit - the friendly Code Review server
parent f09b84f8ea
commit 6bd5371814
1 changed files with 2 additions and 2 deletions
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4
drivers/video/fbdev/msm/mdss_compat_utils.c
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@ -1312,10 +1312,10 @@ static int __from_user_pgc_lut_data_legacy(
return -EFAULT;
if (num_r_stages > GC_LUT_SEGMENTS || num_b_stages > GC_LUT_SEGMENTS
|| num_r_stages > GC_LUT_SEGMENTS || !num_r_stages || !num_b_stages
|| num_g_stages > GC_LUT_SEGMENTS || !num_r_stages || !num_b_stages
|| !num_g_stages) {
pr_err("invalid number of stages r_stages %d b_stages %d g_stages %d\n",
num_r_stages, num_b_stages, num_r_stages);
num_r_stages, num_b_stages, num_g_stages);
return -EFAULT;
}