added missing synchronize when pushing messages from mam backlog

2016-01-04 20:14:29 +01:00 · 2016-01-04 20:14:29 +01:00 · c3e2d2cfba
parent fb97f9d18f
commit c3e2d2cfba
1 changed files with 3 additions and 1 deletions
--- a/src/main/java/eu/siacs/conversations/services/NotificationService.java
+++ b/src/main/java/eu/siacs/conversations/services/NotificationService.java
@ -115,9 +115,11 @@ public class NotificationService {

 	public void pushFromBacklog(final Message message) {
 		if (notify(message)) {
+			synchronized (notifications) {
 				pushToStack(message);
 			}
 		}
+	}

 	public void finishBacklog(boolean notify) {
 		synchronized (notifications) {