From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 2 Dec 2012 12:14:19 +0000 (+0100)
Subject: isl_basic_map_normalize: avoid invalid access on error
X-Git-Tag: isl-0.11~15
X-Git-Url: https://repo.or.cz/w/isl.git/commitdiff_plain/67e3311c9277994cfa570e81c52b34e31d38c281

isl_basic_map_normalize: avoid invalid access on error

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---

diff --git a/isl_map.c b/isl_map.c
index e1681678..6e87e8d1 100644
--- a/isl_map.c
+++ b/isl_map.c
@@ -8240,7 +8240,8 @@ struct isl_basic_map *isl_basic_map_normalize(struct isl_basic_map *bmap)
 		return bmap;
 	bmap = isl_basic_map_remove_redundancies(bmap);
 	bmap = isl_basic_map_sort_constraints(bmap);
-	ISL_F_SET(bmap, ISL_BASIC_MAP_NORMALIZED);
+	if (bmap)
+		ISL_F_SET(bmap, ISL_BASIC_MAP_NORMALIZED);
 	return bmap;
 }