Handle identifier==NULL case.

eclipse · Apr 28, 2021 · 501690d · 501690d
1 parent be78a26
commit 501690d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/plugin.c b/src/plugin.c
@@ -274,7 +274,9 @@ int mosquitto_callback_unregister(
  struct mosquitto__callback **cb_base = NULL;
  struct mosquitto__security_options *security_options;
 
- if(cb_func == NULL) return MOSQ_ERR_INVAL;
+ if(identifier == NULL || cb_func == NULL){
+ return MOSQ_ERR_INVAL;
+ }
 
  if(identifier->listener == NULL){
  security_options = &db.config->security_options;