From 10732c0ecccab4e125f879154f2ba1da6dcd4d4e Mon Sep 17 00:00:00 2001
From: Markus Linnala <Markus.Linnala@cybercom.com>
Date: Sun, 8 Mar 2015 14:04:24 +0200
Subject: [PATCH] fix alloc failure handlings

ngx_pool_cleanup_add can return NULL
---
 src/ngx_postgres_module.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ngx_postgres_module.c b/src/ngx_postgres_module.c
index 365de007..59ee6d11 100644
--- a/src/ngx_postgres_module.c
+++ b/src/ngx_postgres_module.c
@@ -284,6 +284,9 @@ ngx_postgres_create_upstream_srv_conf(ngx_conf_t *cf)
     conf->single = 1;
 
     cln = ngx_pool_cleanup_add(cf->pool, 0);
+    if (cln == NULL) {
+        return NULL;
+    }
     cln->handler = ngx_postgres_keepalive_cleanup;
     cln->data = conf;