From 062bd733da883d76d3625fb38c71f2bd74c363a1 Mon Sep 17 00:00:00 2001
From: Mark Nunberg <mnunberg@users.noreply.github.com>
Date: Tue, 23 Jan 2018 10:49:18 -0500
Subject: [PATCH] redismodule.h: Check ModuleNameBusy before calling it

Older versions might not have this function.
---
 src/redismodule.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/redismodule.h b/src/redismodule.h
index 374cde7f0..09d681c27 100644
--- a/src/redismodule.h
+++ b/src/redismodule.h
@@ -374,7 +374,7 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
     REDISMODULE_GET_API(AbortBlock);
 #endif
 
-    if (RedisModule_IsModuleNameBusy(name)) return REDISMODULE_ERR;
+    if (RedisModule_IsModuleNameBusy && RedisModule_IsModuleNameBusy(name)) return REDISMODULE_ERR;
     RedisModule_SetModuleAttribs(ctx,name,ver,apiver);
     return REDISMODULE_OK;
 }