access past array bounds in layerInterp_mdisps, also make some vars const.

[blender.git] / source / blender / blenkernel / intern / customdata.c

diff --git a/source/blender/blenkernel/intern/customdata.c b/source/blender/blenkernel/intern/customdata.c
index 94bb771aecdfa7eca131ccd2ae83ab035cbff551..0ed479b899a616867580804043a52ca09e231e59 100644 (file)
--- a/source/blender/blenkernel/intern/customdata.c
+++ b/source/blender/blenkernel/intern/customdata.c
@@ -524,8 +524,8 @@ static void layerInterp_mdisps(void **sources, float *UNUSED(weights),
                mdisp_apply_weight(S, dst_corners, side-1, 0, st, crn_weight, &axis_x[0], &axis_x[1]);
                mdisp_apply_weight(S, dst_corners, 0, side-1, st, crn_weight, &axis_y[0], &axis_y[1]);
 
-               sub_v3_v3(axis_x, base);
-               sub_v3_v3(axis_y, base);
+               sub_v2_v2(axis_x, base);
+               sub_v2_v2(axis_y, base);
                normalize_v2(axis_x);
                normalize_v2(axis_y);