From 18dcb1132114252402a792f70cc3fac9102c5474 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Tue, 11 Aug 2020 15:42:41 +0100
Subject: [PATCH] Avoid panics by nil pointers

---
 currentstateserver/acls/acls.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/currentstateserver/acls/acls.go b/currentstateserver/acls/acls.go
index eaecc19f8..fcc4d6825 100644
--- a/currentstateserver/acls/acls.go
+++ b/currentstateserver/acls/acls.go
@@ -34,7 +34,9 @@ func NewServerACLs(db storage.Database) *ServerACLs {
 			logrus.WithError(err).Errorf("Failed to get server ACLs for room %q", room)
 			continue
 		}
-		acls.OnServerACLUpdate(&state.Event)
+		if state != nil {
+			acls.OnServerACLUpdate(&state.Event)
+		}
 	}
 	return acls
 }