From 24488a2a5aa9ec0cb59ec7f93fd1138a98119eb6 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Sun, 4 May 2008 10:08:36 +0000
Subject: [PATCH] r1969 merge:

fix segfault
---
 src/http/ngx_http_upstream.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index e430d1a0e..08f81013e 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2543,6 +2543,10 @@ ngx_http_upstream_copy_content_type(ngx_http_request_t *r, ngx_table_elt_t *h,
 
         while (*++p == ' ') { /* void */ }
 
+        if (*p == '\0') {
+            return NGX_OK;
+        }
+
         if (ngx_strncasecmp(p, (u_char *) "charset=", 8) != 0) {
             continue;
         }