From 6b6e6f6c1ef49f87f794de512489e5fbbfb67ca0 Mon Sep 17 00:00:00 2001
From: John Sully <john@csquare.ca>
Date: Mon, 29 Jul 2019 15:08:41 -0400
Subject: [PATCH] Fix crash in RediSearch

---
 src/module.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/module.cpp b/src/module.cpp
index 568205f90..8d935c0cc 100644
--- a/src/module.cpp
+++ b/src/module.cpp
@@ -3930,6 +3930,8 @@ void RM_FreeThreadSafeContext(RedisModuleCtx *ctx) {
 void RM_ThreadSafeContextLock(RedisModuleCtx *ctx) {
     UNUSED(ctx);
     moduleAcquireGIL(FALSE /*fServerThread*/);
+    if (serverTL == nullptr)
+        serverTL = &g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN];    // arbitrary module threads get the main thread context
 }
 
 /* Release the server lock after a thread safe API call was executed. */