From 9c86b10355a6616d3881133143852f12288fc800 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sat, 9 May 2015 17:38:21 +0200
Subject: [PATCH] isl_basic_map_plain_is_equal: improve error handling

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

diff --git a/isl_map.c b/isl_map.c
index 6bc37ad5..cbe741bc 100644
--- a/isl_map.c
+++ b/isl_map.c
@@ -9105,6 +9105,8 @@ int isl_set_plain_cmp(__isl_keep isl_set *set1, __isl_keep isl_set *set2)
 int isl_basic_map_plain_is_equal(__isl_keep isl_basic_map *bmap1,
 	__isl_keep isl_basic_map *bmap2)
 {
+	if (!bmap1 || !bmap2)
+		return -1;
 	return isl_basic_map_plain_cmp(bmap1, bmap2) == 0;
 }
 
-- 
2.11.4.GIT