From fe902461f467c28de15803cff8455abddab1288b Mon Sep 17 00:00:00 2001
From: "bodong.ybd" <bodong.ybd@alibaba-inc.com>
Date: Sat, 21 Dec 2019 21:27:38 +0800
Subject: [PATCH] Fix spop return nil #4709

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

diff --git a/src/t_set.c b/src/t_set.c
index abbf82fde..60cf22d8c 100644
--- a/src/t_set.c
+++ b/src/t_set.c
@@ -415,7 +415,7 @@ void spopWithCountCommand(client *c) {
 
     /* Make sure a key with the name inputted exists, and that it's type is
      * indeed a set. Otherwise, return nil */
-    if ((set = lookupKeyWriteOrReply(c,c->argv[1],shared.null[c->resp]))
+    if ((set = lookupKeyWriteOrReply(c,c->argv[1],shared.emptyset[c->resp]))
         == NULL || checkType(c,set,OBJ_SET)) return;
 
     /* If count is zero, serve an empty set ASAP to avoid special
-- 
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