From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sun, 9 Jan 2011 04:20:31 +0000 (+0000)
Subject: realtime: movpos: avoid a use-after-free
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=0bb9b7e162e5ba2ed14c6354b9f04cec19257436;p=trains.git

realtime: movpos: avoid a use-after-free
---

diff --git a/hostside/movpos.c b/hostside/movpos.c
index e919f47..bfb29a4 100644
--- a/hostside/movpos.c
+++ b/hostside/movpos.c
@@ -1156,10 +1156,10 @@ void motions_all_abandon(void) {
 
     MovPosChange *abandon= seg->motion;
     indep_remove(abandon);
-    indep_dispose(abandon);
     seg->movposcomb= abandon->actual;
     seg->moving= 0;
     seg->motion= 0;
+    indep_dispose(abandon);
   }
   for (meth=methods; *meth; meth++)
     (*meth)->all_abandon(*meth);