From c0b5ba97773077036ba7d96433bc3fe02831b3b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Duffeck?= <andre.duffeck@firondu.de>
Date: Thu, 3 Feb 2022 10:49:26 +0100
Subject: [PATCH] Do not choke when checking the lock of non-existent nodes

---
 pkg/storage/utils/decomposedfs/decomposedfs.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/storage/utils/decomposedfs/decomposedfs.go b/pkg/storage/utils/decomposedfs/decomposedfs.go
index 6a205411b32..3c075411b49 100644
--- a/pkg/storage/utils/decomposedfs/decomposedfs.go
+++ b/pkg/storage/utils/decomposedfs/decomposedfs.go
@@ -774,6 +774,10 @@ func (fs *Decomposedfs) Unlock(ctx context.Context, ref *provider.Reference, loc
 }
 
 func (fs *Decomposedfs) checkLock(ctx context.Context, node *node.Node) error {
+	if node == nil {
+		return nil // no node, no lock
+	}
+
 	lockID, _ := ctxpkg.ContextGetLockID(ctx)
 	lock := node.ReadLock(ctx)
 	if lock != nil {