From b6bbbb16e26ce924022d623572fce852e234ee16 Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Mon, 7 May 2018 21:46:32 +0200
Subject: Dbx_mdbx: fixes crash when user tries to compact a profile with
 password

---
 plugins/Dbx_mdbx/src/dbcrypt.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/Dbx_mdbx/src/dbcrypt.cpp b/plugins/Dbx_mdbx/src/dbcrypt.cpp
index 36fb76a978..ccd65aef7a 100644
--- a/plugins/Dbx_mdbx/src/dbcrypt.cpp
+++ b/plugins/Dbx_mdbx/src/dbcrypt.cpp
@@ -68,10 +68,12 @@ CRYPTO_PROVIDER* CDbxMDBX::SelectProvider()
 
 int CDbxMDBX::InitCrypt()
 {
-	CRYPTO_PROVIDER *pProvider;
+	if (m_crypto != nullptr)
+		return 0;
 
 	txn_ptr_ro txn(m_txn_ro);
 
+	CRYPTO_PROVIDER *pProvider;
 	MDBX_val key = { DBKey_Crypto_Provider, sizeof(DBKey_Crypto_Provider) }, value;
 	if (mdbx_get(txn, m_dbCrypto, &key, &value) == MDBX_SUCCESS) {
 		pProvider = Crypto_GetProvider((const char*)value.iov_base);
-- 
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