From b86ecbbd5cb83fcdba13f02d332e6cd47b365564 Mon Sep 17 00:00:00 2001
From: aipsel <yuyaoyang09@gmail.com>
Date: Sun, 27 Dec 2015 18:20:04 +0800
Subject: [PATCH] add check to avoid Segmentation fault

---
 src/manager.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/manager.c b/src/manager.c
index 36072cee..f44289d4 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -362,6 +362,9 @@ static void manager_recv_cb(EV_P_ ev_io *w, int revents)
     }
 
     char *action = get_action(buf, r);
+    if (action == NULL) {
+        return;
+    }
 
     if (strcmp(action, "add") == 0) {
         struct server *server = get_server(buf, r);