wildcard-temp: Don't attempt to delete from an empty list.

4 years ago · 02d08b9889
parent 1f370d8c36
commit 02d08b9889
1 changed files with 3 additions and 1 deletions
--- a/plugins/examples/wildcard-temp/mosquitto_wildcard_temp.c
+++ b/plugins/examples/wildcard-temp/mosquitto_wildcard_temp.c
@ -130,7 +130,9 @@ static int disconnect_callback(int event, void *event_data, void *userdata)
 	HASH_FIND(hh, clients, id, idlen, client);
 	if(client){
 		HASH_DELETE(hh, clients, client);
-		DL_DELETE(active_subs, client);
+		if(active_subs){
+			DL_DELETE(active_subs, client);
+		}
 		mosquitto_free(client);
 	}