From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sat, 26 Jun 2010 09:35:44 +0000 (+0200)
Subject: isl_convex_hull.c: extend: fix error handling
X-Git-Tag: isl-0.03~27
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bc84aa55af2e442e04ec0d7f35e088a81a509394;p=platform%2Fupstream%2Fisl.git

isl_convex_hull.c: extend: fix error handling
---

diff --git a/isl_convex_hull.c b/isl_convex_hull.c
index f8565e0..f783671 100644
--- a/isl_convex_hull.c
+++ b/isl_convex_hull.c
@@ -623,11 +623,13 @@ static struct isl_basic_set *extend(struct isl_basic_set *hull,
 		hull_facet = isl_basic_set_add_equality(hull_facet, hull->ineq[i]);
 		hull_facet = isl_basic_set_gauss(hull_facet, NULL);
 		hull_facet = isl_basic_set_normalize_constraints(hull_facet);
-		if (!facet)
+		if (!facet || !hull_facet)
 			goto error;
 		hull = isl_basic_set_cow(hull);
 		hull = isl_basic_set_extend_dim(hull,
 			isl_dim_copy(hull->dim), 0, 0, facet->n_ineq);
+		if (!hull)
+			goto error;
 		for (j = 0; j < facet->n_ineq; ++j) {
 			for (f = 0; f < hull_facet->n_ineq; ++f)
 				if (isl_seq_eq(facet->ineq[j],