From: Sven Verdoolaege <skimo@kotnet.org>
Date: Wed, 1 Sep 2010 14:35:56 +0000 (+0200)
Subject: isl_polytope_scan: improve error handling
X-Git-Tag: isl-0.04~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=67550660e816eea6748a904cbf82a6501bc10432;p=platform%2Fupstream%2Fisl.git

isl_polytope_scan: improve error handling

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

diff --git a/polytope_scan.c b/polytope_scan.c
index 41983aa..fbd80ae 100644
--- a/polytope_scan.c
+++ b/polytope_scan.c
@@ -72,6 +72,9 @@ static struct isl_mat *isl_basic_set_samples(struct isl_basic_set *bset)
 	struct isl_mat *T;
 	struct isl_mat *samples;
 
+	if (!bset)
+		return NULL;
+
 	if (bset->n_eq == 0)
 		return isl_basic_set_scan_samples(bset);