From a23cdbb94b25fda7f49c421c94c85830d0a526c6 Mon Sep 17 00:00:00 2001
From: ShooterIT <wangyuancode@163.com>
Date: Tue, 5 May 2020 23:09:45 +0800
Subject: [PATCH] Redis Benchmark: Fix coredump because of double free

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

diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
index 77daf981c..34295147d 100644
--- a/src/redis-benchmark.c
+++ b/src/redis-benchmark.c
@@ -279,7 +279,7 @@ static redisConfig *getRedisConfig(const char *ip, int port,
     for (; i < 2; i++) {
         int res = redisGetReply(c, &r);
         if (reply) freeReplyObject(reply);
-        reply = ((redisReply *) r);
+        reply = res == REDIS_OK ? ((redisReply *) r) : NULL;
         if (res != REDIS_OK || !r) goto fail;
         if (reply->type == REDIS_REPLY_ERROR) {
             fprintf(stderr, "ERROR: %s\n", reply->str);