From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 28 Nov 2008 17:22:35 +0000 (+0000)
Subject: create empty radix tree for "geo $geo { }" case
X-Git-Tag: release-0.7.24~4
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=69b5a6ddfb5226c73b6931fdfc9d0b91ba6bbe5b;p=nginx.git

create empty radix tree for "geo $geo { }" case
---

diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 5fc63210c..bba399f6c 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -255,6 +255,13 @@ ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
         }
 
     } else {
+        if (ctx.tree == NULL) {
+            ctx.tree = ngx_radix_tree_create(cf->pool, -1);
+            if (ctx.tree == NULL) {
+                return NGX_CONF_ERROR;
+            }
+        }
+
         var->get_handler = ngx_http_geo_cidr_variable;
         var->data = (uintptr_t) ctx.tree;