From: Maxim Dounin <mdounin@mdounin.ru>
Date: Wed, 5 Nov 2014 15:53:26 +0000 (+0300)
Subject: Cache: removed dead store in ngx_http_file_cache_vary_header().
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/postgres_fdw.c?a=commitdiff_plain;h=e2bc3c11b284b6876d41ba31abf1f3d304818b3d;p=nginx.git

Cache: removed dead store in ngx_http_file_cache_vary_header().

Found by Clang Static Analyzer.
---

diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index bc4c80602..e7072e10e 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -1022,7 +1022,6 @@ ngx_http_file_cache_vary_header(ngx_http_request_t *r, ngx_md5_t *md5,
         /* normalize spaces */
 
         p = header[i].value.data;
-        start = p;
         last = p + header[i].value.len;
 
         while (p < last) {