From 129f27f751d56426bee664ebbcd526842f7c6e57 Mon Sep 17 00:00:00 2001
From: John Sully <john@csquare.ca>
Date: Thu, 23 Dec 2021 02:10:20 -0500
Subject: [PATCH] Fix module test failures with blocked clients

Former-commit-id: 18ec4b8600ea3462843b58a0f0e917824dfd7ff3
---
 src/module.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/module.cpp b/src/module.cpp
index e957e8fc2..bb0b23621 100644
--- a/src/module.cpp
+++ b/src/module.cpp
@@ -4291,7 +4291,14 @@ RedisModuleCallReply *RM_Call(RedisModuleCtx *ctx, const char *cmdname, const ch
         if (!(flags & REDISMODULE_ARGV_NO_REPLICAS))
             call_flags |= CMD_CALL_PROPAGATE_REPL;
     }
+
+    {
+    aeAcquireLock();
+    std::unique_lock<fastlock> ul(c->lock);
     call(c,call_flags);
+    aeReleaseLock();
+    }
+
     g_pserver->replication_allowed = prev_replication_allowed;
 
     serverAssert((c->flags & CLIENT_BLOCKED) == 0);