From 952f3ffb0c0d334d08c71942e26edd6e97bb5e56 Mon Sep 17 00:00:00 2001
From: Simon Frei <freisim93@gmail.com>
Date: Thu, 5 Aug 2021 12:25:20 +0200
Subject: [PATCH] lib/db/backend: Prevent panic in errors.As (#7873)

---
 lib/db/backend/backend.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/db/backend/backend.go b/lib/db/backend/backend.go
index e444b9ce4..4f6f28ba6 100644
--- a/lib/db/backend/backend.go
+++ b/lib/db/backend/backend.go
@@ -142,12 +142,12 @@ type errNotFound struct{}
 func (*errNotFound) Error() string { return "key not found" }
 
 func IsClosed(err error) bool {
-	var e *errClosed
+	e := &errClosed{}
 	return errors.As(err, &e)
 }
 
 func IsNotFound(err error) bool {
-	var e *errNotFound
+	e := &errNotFound{}
 	return errors.As(err, &e)
 }