From 28c42814956a40f6c7b432a9692e1f1d7437925c Mon Sep 17 00:00:00 2001
From: "zhaozhao.zz" <zhaozhao.zz@alibaba-inc.com>
Date: Fri, 7 Dec 2018 19:14:33 +0800
Subject: [PATCH] networking: current_client should not be NULL when trim
 qb_pos

---
 src/networking.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/networking.c b/src/networking.c
index 02d2a17b..f19eb86b 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -1470,7 +1470,7 @@ void processInputBuffer(client *c) {
     }
 
     /* Trim to pos */
-    if (c->qb_pos) {
+    if (server.current_client != NULL && c->qb_pos) {
         sdsrange(c->querybuf,c->qb_pos,-1);
         c->qb_pos = 0;
     }