From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 30 Mar 2009 14:23:07 +0000 (+0000)
Subject: fix segfault introduced in r2602 if there is 502/504 error
X-Git-Tag: release-0.7.47~8
X-Git-Url: http://git.kaiwu.me/sitemap.xml?a=commitdiff_plain;h=91db11b32cec8f9ebeec3a79a686020db9136b72;p=nginx.git

fix segfault introduced in r2602 if there is 502/504 error
and proxy/fastcgi_cache is defined without proxy/fastcgi_cache_valid
---

diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 78f4773fc..0c23e46e0 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -1290,6 +1290,10 @@ ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status)
     ngx_uint_t               i;
     ngx_http_cache_valid_t  *valid;
 
+    if (cache_valid == NULL) {
+        return 0;
+    }
+
     valid = cache_valid->elts;
     for (i = 0; i < cache_valid->nelts; i++) {