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From 14f04d28128b57583768f0933504febaa2eae5da Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Wed, 14 Mar 2018 15:54:27 -0400
Subject: [PATCH 3998/4131] drm/amd/display: Fix potential access beyond end of
array in CM
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
index 881a1bf..96d5878 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
@@ -367,15 +367,15 @@ bool cm_helper_translate_curve_to_hw_format(
lut_params->hw_points_num = hw_points;
- i = 1;
- for (k = 0; k < MAX_REGIONS_NUMBER && i < MAX_REGIONS_NUMBER; k++) {
+ k = 0;
+ for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
if (seg_distr[k] != -1) {
lut_params->arr_curve_points[k].segments_num =
seg_distr[k];
lut_params->arr_curve_points[i].offset =
lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
}
- i++;
+ k++;
}
if (seg_distr[k] != -1)
@@ -529,15 +529,15 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
lut_params->hw_points_num = hw_points;
- i = 1;
- for (k = 0; k < MAX_REGIONS_NUMBER && i < MAX_REGIONS_NUMBER; k++) {
+ k = 0;
+ for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
if (seg_distr[k] != -1) {
lut_params->arr_curve_points[k].segments_num =
seg_distr[k];
lut_params->arr_curve_points[i].offset =
lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
}
- i++;
+ k++;
}
if (seg_distr[k] != -1)
--
2.7.4
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