isl_basic_map_deltas: fix error handling

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/isl_map.c b/isl_map.c
index 6e87e8d..c180c0a 100644 (file)
--- a/isl_map.c
+++ b/isl_map.c
@@ -6827,8 +6827,10 @@ struct isl_basic_set *isl_basic_map_deltas(struct isl_basic_map *bmap)
        for (i = 0; i < dim; ++i) {
                int j = isl_basic_map_alloc_equality(
                                            (struct isl_basic_map *)bset);
-               if (j < 0)
-                       goto error;
+               if (j < 0) {
+                       bset = isl_basic_set_free(bset);
+                       break;
+               }
                isl_seq_clr(bset->eq[j], 1 + isl_basic_set_total_dim(bset));
                isl_int_set_si(bset->eq[j][1+nparam+i], 1);
                isl_int_set_si(bset->eq[j][1+nparam+dim+i], 1);