Commit 63bd5444 authored by Harry Wentland's avatar Harry Wentland Committed by Alex Deucher
Browse files

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



Signed-off-by: default avatarHarry Wentland <harry.wentland@amd.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f110892e

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c

+6 −6
Original line number Diff line number Diff line
@@ -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)

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