[nginx] Fixed potential leak of temp pool.

[Ruslan Ermilov]

details:   https://hg.nginx.org/nginx/rev/7e0719fb528b
branches:  
changeset: 7671:7e0719fb528b
user:      Eran Kornblau <erankor at gmail.com>
date:      Mon Jun 15 03:58:31 2020 -0400
description:
Fixed potential leak of temp pool.

In case ngx_hash_add_key() fails, need to goto failed instead of returning,
so that temp_pool will be destoryed.

diffstat:

 src/http/ngx_http.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r ccb5ff87ab3e -r 7e0719fb528b src/http/ngx_http.c
--- a/src/http/ngx_http.c	Mon Jun 22 18:03:00 2020 +0300
+++ b/src/http/ngx_http.c	Mon Jun 15 03:58:31 2020 -0400
@@ -1469,14 +1469,14 @@ ngx_http_server_names(ngx_conf_t *cf, ng
                                   NGX_HASH_WILDCARD_KEY);
 
             if (rc == NGX_ERROR) {
-                return NGX_ERROR;
+                goto failed;
             }
 
             if (rc == NGX_DECLINED) {
                 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
                               "invalid server name or wildcard \"%V\" on %V",
                               &name[n].name, &addr->opt.addr_text);
-                return NGX_ERROR;
+                goto failed;
             }
 
             if (rc == NGX_BUSY) {