From 8377d95fbd027c763706688fe9a9be6682b94cbc Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 25 Jun 2010 17:01:33 +0200
Subject: [PATCH] isl_basic_map_cow: check result of allocation

---
 isl_map.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/isl_map.c b/isl_map.c
index 07b1e991..186dc77f 100644
--- a/isl_map.c
+++ b/isl_map.c
@@ -1088,7 +1088,8 @@ struct isl_basic_map *isl_basic_map_cow(struct isl_basic_map *bmap)
 		bmap->ref--;
 		bmap = isl_basic_map_dup(bmap);
 	}
-	ISL_F_CLR(bmap, ISL_BASIC_SET_FINAL);
+	if (bmap)
+		ISL_F_CLR(bmap, ISL_BASIC_SET_FINAL);
 	return bmap;
 }
 
-- 
2.11.4.GIT