From 9ec331dc46703d44f4d5ed00aa6e69f5ede75262 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 2 Dec 2012 21:56:45 +0100
Subject: [PATCH] isl_schedule.c: add_inter_validity_constraints: avoid invalid
 access on error

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 isl_schedule.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/isl_schedule.c b/isl_schedule.c
index b86329bd..ec314cfe 100644
--- a/isl_schedule.c
+++ b/isl_schedule.c
@@ -887,6 +887,8 @@ static int add_inter_validity_constraints(struct isl_sched_graph *graph,
 			coef->n_eq, coef->n_ineq);
 	graph->lp = isl_basic_set_add_constraints_dim_map(graph->lp,
 							   coef, dim_map);
+	if (!graph->lp)
+		goto error;
 	isl_space_free(dim);
 	edge->end = graph->lp->n_ineq;
 
-- 
2.11.4.GIT