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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 <[email protected]>
CC: Dan Carpenter <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Harry Wentland authored and Alex Deucher committed 2018-04-11 13:08:04 -05:00
1 parent f110892ead
commit 63bd5444f6
1 file changed
+6 -6
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drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c
+6 -6
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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)