From 22dfd5a1170aba2201cf85e9b75a3ae1d3c01850 Mon Sep 17 00:00:00 2001
From: Sears Russell <sears@cs.berkeley.edu>
Date: Sat, 21 Apr 2007 07:51:33 +0000
Subject: [PATCH] Fixed use after free.

---
 src/lladd/io/non_blocking.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lladd/io/non_blocking.c b/src/lladd/io/non_blocking.c
index 7260407..42f89d8 100644
--- a/src/lladd/io/non_blocking.c
+++ b/src/lladd/io/non_blocking.c
@@ -492,10 +492,11 @@ static void * nbw_worker(void * handle) {
 	pthread_mutex_lock(&impl->mut);
 	node->pin_count--;
       }      
+      tree_node * new_node = (tree_node*)RB_ENTRY(lookup)(RB_LUGREAT, node, impl->fast_handles);
       if(!node->dirty && !node->pin_count) { 
 	freeFastHandle(impl, node);
       }
-      node = (tree_node*)RB_ENTRY(lookup)(RB_LUGREAT, node, impl->fast_handles);
+      node = new_node;
     }
     if(!impl->fast_handle_count || !writes) { 
       if(impl->still_open) {