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drm/amd/display: Fix potential access beyond end of array in CM

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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2018-03-14 15:54:27 -04:00 committed by Alex Deucher
parent f110892ead
commit 63bd5444f6
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
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@ -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)