From 4387ba6a17887d23c1919619f517b521eacbb665 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Sat, 9 May 2020 11:12:51 +0200
Subject: Cluster: clarify we always resolve the sender.

---
 src/cluster.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cluster.c b/src/cluster.c
index 50c79f4f6..a2fab323a 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -1741,7 +1741,9 @@ int clusterProcessPacket(clusterLink *link) {
         if (totlen != explen) return 1;
     }
 
-    /* Check if the sender is a known node. */
+    /* Check if the sender is a known node. Note that for incoming connections
+     * we don't store link->node information, but resolve the node by the
+     * ID in the header each time in the current implementation. */
     sender = clusterLookupNode(hdr->sender);
 
     /* Update the last time we saw any data from this node. We
-- 
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