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isl_basic_set_opt: avoid invalid access on error path
[platform/upstream/isl.git]
/
isl_affine_hull.c
diff --git
a/isl_affine_hull.c
b/isl_affine_hull.c
index
b641763
..
e71bc10
100644
(file)
--- a/
isl_affine_hull.c
+++ b/
isl_affine_hull.c
@@
-805,7
+805,7
@@
struct isl_tab *isl_tab_detect_equalities(struct isl_tab *tab,
{
int j;
struct isl_vec *sample;
{
int j;
struct isl_vec *sample;
- struct isl_basic_set *hull;
+ struct isl_basic_set *hull
= NULL
;
struct isl_tab_undo *snap;
if (!tab || !tab_cone)
struct isl_tab_undo *snap;
if (!tab || !tab_cone)
@@
-870,6
+870,7
@@
struct isl_tab *isl_tab_detect_equalities(struct isl_tab *tab,
return tab;
error:
return tab;
error:
+ isl_basic_set_free(hull);
isl_tab_free(tab);
return NULL;
}
isl_tab_free(tab);
return NULL;
}
@@
-1063,6
+1064,7
@@
static struct isl_basic_set *equalities_in_underlying_set(
return hull;
error:
return hull;
error:
+ isl_mat_free(T1);
isl_mat_free(T2);
isl_basic_set_free(bset);
isl_basic_set_free(hull);
isl_mat_free(T2);
isl_basic_set_free(bset);
isl_basic_set_free(hull);