Fix potential duplicate Will messages being sent.

This could have occurred when a will delay interval had been set.
eclipse · Jan 14, 2021 · 4be32ae · 4be32ae
1 parent e78c04d
commit 4be32ae
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diff --git a/ChangeLog.txt b/ChangeLog.txt
@@ -1,3 +1,8 @@
+Broker:
+- Fix potential duplicate Will messages being sent when a will delay interval
+ has been set.
+
+
 2.0.5 - 2021-01-11
 ==================
 

diff --git a/src/will_delay.c b/src/will_delay.c
@@ -40,6 +40,10 @@ int will_delay__add(struct mosquitto *context)
 {
  struct will_delay_list *item;
 
+ if(context->will_delay_entry){
+ return MOSQ_ERR_SUCCESS;
+ }
+
  item = mosquitto__calloc(1, sizeof(struct will_delay_list));
  if(!item) return MOSQ_ERR_NOMEM;