From 28cd629de6b4f55ef348a3aeba48d8f598d4d48a Mon Sep 17 00:00:00 2001
From: JanBartels <j.bartels@arcor.de>
Date: Mon, 18 Oct 2021 21:41:01 +0200
Subject: [PATCH] Patch for master-branch

---
 lib/private/Share20/Manager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/Share20/Manager.php b/lib/private/Share20/Manager.php
index b5e1b944bc52d..84d23e1b08773 100644
--- a/lib/private/Share20/Manager.php
+++ b/lib/private/Share20/Manager.php
@@ -1658,7 +1658,7 @@ public function getAccessList(\OCP\Files\Node $path, $recursive = true, $current
 		if ($path->getId() !== $userFolder->getId() && !$userFolder->isSubNode($path)) {
 			$nodes = $userFolder->getById($path->getId());
 			$path = array_shift($nodes);
-			if ($path->getOwner() === null) {
+			if ($path === null || $path->getOwner() === null) {
 				return [];
 			}
 			$owner = $path->getOwner()->getUID();