From f514841c75aae5c8dfc3a8e4fba409a70424517f Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 9 Mar 2020 16:59:54 +0000
Subject: [Fix] Stat_redis_backend: Fix memory leak and simplify learn path

---
 contrib/hiredis/async.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'contrib')

diff --git a/contrib/hiredis/async.c b/contrib/hiredis/async.c
index a508036e6..851676263 100644
--- a/contrib/hiredis/async.c
+++ b/contrib/hiredis/async.c
@@ -483,6 +483,11 @@ void redisProcessCallbacks(redisAsyncContext *ac) {
              * abort with an error, but simply ignore it because the client
              * doesn't know what the server will spit out over the wire. */
             c->reader->fn->freeObject(reply);
+			/* Proceed with free'ing when redisAsyncFree() was called. */
+			if (c->flags & REDIS_FREEING) {
+				__redisAsyncFree(ac);
+				return;
+			}
         }
     }
 
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