From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Tue, 28 Jun 2022 01:20:24 +0000 (-0700)
Subject: reallyroutespline: fix unchecked failures on recursion
X-Git-Tag: 5.0.0~8^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6c97f01033acfd2332c9cb44f64856206db7304a;p=graphviz

reallyroutespline: fix unchecked failures on recursion
---

diff --git a/lib/pathplan/route.c b/lib/pathplan/route.c
index ac81eabd0..163782262 100644
--- a/lib/pathplan/route.c
+++ b/lib/pathplan/route.c
@@ -142,9 +142,13 @@ static int reallyroutespline(Pedge_t * edges, int edgen,
     splitv1 = normv(sub(inps[spliti], inps[spliti - 1]));
     splitv2 = normv(sub(inps[spliti + 1], inps[spliti]));
     splitv = normv(add(splitv1, splitv2));
-    reallyroutespline(edges, edgen, inps, spliti + 1, ev0, splitv);
-    reallyroutespline(edges, edgen, &inps[spliti], inpn - spliti, splitv,
-		      ev1);
+    if (reallyroutespline(edges, edgen, inps, spliti + 1, ev0, splitv) < 0) {
+	return -1;
+    }
+    if (reallyroutespline(edges, edgen, &inps[spliti], inpn - spliti, splitv,
+                          ev1) < 0) {
+	return -1;
+    }
     return 0;
 }