From 08b2353ffcacb11dab19da58825789e2c79bbfbf Mon Sep 17 00:00:00 2001
From: north <devnull@localhost>
Date: Thu, 16 Apr 2009 18:13:58 +0000
Subject: [PATCH] Fix error in freeing edge when deleted.

---
 lib/cgraph/edge.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/cgraph/edge.c b/lib/cgraph/edge.c
index fe1b18990..59120f115 100644
--- a/lib/cgraph/edge.c
+++ b/lib/cgraph/edge.c
@@ -356,7 +356,8 @@ int agdeledge(Agraph_t * g, Agedge_t * e)
 	agfreeid(g, AGEDGE, AGID(e));
     }
     if (agapply (g, (Agobj_t *) e, (agobjfn_t) agdeledgeimage, NILedge, FALSE) == SUCCESS) {
-	agfree(g, e);
+	if (g == agroot(g))
+		agfree(g, e);
 	return SUCCESS;
     } else
 	return FAILURE;
-- 
2.40.0