isl_convex_hull.c: uset_convex_hull_wrap_bounded: fix error handling

[platform/upstream/isl.git] / isl_coalesce.c

diff --git a/isl_coalesce.c b/isl_coalesce.c
index 39b6d12..84a5a4b 100644 (file)
--- a/isl_coalesce.c
+++ b/isl_coalesce.c
@@ -722,7 +722,8 @@ static int wrap_in_facets(struct isl_map *map, int i, int j,
 
                isl_seq_cpy(bound->el, map->p[i]->ineq[cuts[k]], 1 + total);
                isl_int_add_ui(bound->el[0], bound->el[0], 1);
-               tabs[j] = isl_tab_add_eq(tabs[j], bound->el);
+               if (isl_tab_add_eq(tabs[j], bound->el) < 0)
+                       goto error;
                if (isl_tab_detect_redundant(tabs[j]) < 0)
                        goto error;
 
@@ -1133,7 +1134,8 @@ struct isl_map *isl_map_coalesce(struct isl_map *map)
                if (!tabs[i])
                        goto error;
                if (!ISL_F_ISSET(map->p[i], ISL_BASIC_MAP_NO_IMPLICIT))
-                       tabs[i] = isl_tab_detect_implicit_equalities(tabs[i]);
+                       if (isl_tab_detect_implicit_equalities(tabs[i]) < 0)
+                               goto error;
                if (!ISL_F_ISSET(map->p[i], ISL_BASIC_MAP_NO_REDUNDANT))
                        if (isl_tab_detect_redundant(tabs[i]) < 0)
                                goto error;