From a411d557d4e7a0cdda074430ecf2a17d20805003 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 14 Jan 2016 11:58:31 +0100
Subject: [PATCH] Cluster: clarify node->slave may be NULL.
---
src/cluster.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/cluster.h b/src/cluster.h
index 08a11e9a..01e1ce21 100644
--- a/src/cluster.h
+++ b/src/cluster.h
@@ -88,7 +88,10 @@ typedef struct clusterNode {
int numslots; /* Number of slots handled by this node */
int numslaves; /* Number of slave nodes, if this is a master */
struct clusterNode **slaves; /* pointers to slave nodes */
- struct clusterNode *slaveof; /* pointer to the master node */
+ struct clusterNode *slaveof; /* pointer to the master node. Note that it
+ may be NULL even if the node is a slave
+ if we don't have the master node in our
+ tables. */
mstime_t ping_sent; /* Unix time we sent latest ping */
mstime_t pong_received; /* Unix time we received the pong */
mstime_t fail_time; /* Unix time when FAIL flag was set */