# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1316980836 0
# Node ID 114e3a7c3b8d3804bcb9f5b3e9aae692da4c87a4
# Parent  7b632622ba566e24a85f195a28018981fe4abc78
Upstream: clearing of u->peer.connection on close.

This fixes crashes observed with some 3rd party balancer modules.  Standard
balancer modules (round-robin and ip hash) explicitly set pc->connection
(aka u->peer.connection) to NULL and aren't affected.

diff -r 7b632622ba56 -r 114e3a7c3b8d src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c	Fri Sep 23 20:15:27 2011 +0000
+++ b/src/http/ngx_http_upstream.c	Sun Sep 25 20:00:36 2011 +0000
@@ -2927,6 +2927,7 @@
         }
 
         ngx_close_connection(u->peer.connection);
+        u->peer.connection = NULL;
     }
 
 #if 0