From 6e9a54a113655ec310b5d08ea8cd61b93db55ca6 Mon Sep 17 00:00:00 2001
From: michael-grunder <michael.grunder@gmail.com>
Date: Sat, 2 Nov 2024 15:48:32 -0700
Subject: [PATCH] Fix NULL dereference on getOption

Presently this will crash

```php
$redis = new Redis;
$redis->connect('localhost', 6379);
$redis->getOption(Redis::OPT_FAILOVER);
```
---
 redis_commands.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/redis_commands.c b/redis_commands.c
index 9a1dd74bb2..a0ce3b8358 100644
--- a/redis_commands.c
+++ b/redis_commands.c
@@ -6145,6 +6145,8 @@ void redis_getoption_handler(INTERNAL_FUNCTION_PARAMETERS,
         case REDIS_OPT_NULL_MBULK_AS_NULL:
             RETURN_LONG(redis_sock->null_mbulk_as_null);
         case REDIS_OPT_FAILOVER:
+            if (c == NULL)
+                RETURN_FALSE;
             RETURN_LONG(c->failover);
         case REDIS_OPT_MAX_RETRIES:
             RETURN_LONG(redis_sock->max_retries);