From 2b31b4e34c8df07c5675d01a2a38b36e4ce6a0d1 Mon Sep 17 00:00:00 2001
From: chenwei <chadwill@aliyun.com>
Date: Thu, 14 Dec 2017 15:07:30 +0800
Subject: [PATCH] Nginx : The I/O functions with glue code may be called before
 ngx_max_sockets is initialized, fix this error.

---
 app/nginx-1.11.10/src/event/modules/ngx_ff_module.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c b/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
index c584edd79..0d37baff5 100644
--- a/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
+++ b/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
@@ -152,6 +152,10 @@ static inline int restore_fstack_fd(int sockfd) {
 
 /* Tell whether a 'sockfd' belongs to fstack. */
 static inline int is_fstack_fd(int sockfd) {
+    if (unlikely(inited == 0)) {
+        return 0;
+    }
+
     return sockfd >= ngx_max_sockets;
 }