From 4b189002af160515fdd523b3d1802c050268c45f Mon Sep 17 00:00:00 2001
From: Maxim Dounin <mdounin@mdounin.ru>
Date: Wed, 4 Sep 2013 21:17:00 +0400
Subject: [PATCH] Request cleanup code unified, no functional changes.

Additionally, detaching a cleanup chain from a request is a bit more resilent
to various bugs if any.
---
 src/http/ngx_http_request.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 5887376d4..37efb2a52 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -3343,10 +3343,15 @@ ngx_http_free_request(ngx_http_request_t *r, ngx_int_t rc)
         return;
     }
 
-    for (cln = r->cleanup; cln; cln = cln->next) {
+    cln = r->cleanup;
+    r->cleanup = NULL;
+
+    while (cln) {
         if (cln->handler) {
             cln->handler(cln->data);
         }
+
+        cln = cln->next;
     }
 
 #if (NGX_STAT_STUB)