isl_convex_hull: fix memory leak in error path

diff --git a/isl_convex_hull.c b/isl_convex_hull.c
index 6dbddf3..a239756 100644 (file)
--- a/isl_convex_hull.c
+++ b/isl_convex_hull.c
@@ -686,6 +686,7 @@ static struct isl_basic_set *extend(struct isl_ctx *ctx, struct isl_set *set,
        hull = isl_basic_set_finalize(hull);
        return hull;
 error:
+       isl_basic_set_free(facet);
        isl_basic_set_free(hull);
        return NULL;
 }