From 708428c21379573cf8ce6dffe3817717541b5b25 Mon Sep 17 00:00:00 2001
From: tom <69969590+simlecode@users.noreply.github.com>
Date: Wed, 19 Jan 2022 16:24:04 +0800
Subject: [PATCH] fix wallet unlock failed (#4715)

---
 pkg/wallet/dsbackend.go | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/pkg/wallet/dsbackend.go b/pkg/wallet/dsbackend.go
index 46917a6eaf..fd56f6933b 100644
--- a/pkg/wallet/dsbackend.go
+++ b/pkg/wallet/dsbackend.go
@@ -228,11 +228,6 @@ func (backend *DSBackend) GetKeyInfo(addr address.Address) (*crypto.KeyInfo, err
 
 //GetKeyInfoPassphrase get private private key from wallet, get encrypt byte from db and decrypto it with password
 func (backend *DSBackend) GetKeyInfoPassphrase(addr address.Address, password []byte) (*crypto.KeyInfo, error) {
-	defer func() {
-		for i := range password {
-			password[i] = 0
-		}
-	}()
 	if !backend.HasAddress(addr) {
 		return nil, errors.New("backend does not contain address")
 	}