From 2183ade0c4e9cd7e923d325a97ff3ddfdc9fc941 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Sa=C5=82aban?= <michal@salaban.info>
Date: Sat, 7 Oct 2017 02:04:33 +0200
Subject: [PATCH] Don't try to create wallet-dir when it's not given, don't
 crash if wallet-dir already exists.

---
 src/wallet/wallet_rpc_server.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index 46b092376..195de0c89 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -154,7 +154,7 @@ namespace tools
 #else
 #define MKDIR(path, mode)    mkdir(path, mode)
 #endif
-      if (MKDIR(m_wallet_dir.c_str(), 0700) < 0)
+      if (!m_wallet_dir.empty() && MKDIR(m_wallet_dir.c_str(), 0700) < 0 && errno != EEXIST)
       {
 #ifdef _WIN32
         LOG_ERROR(tr("Failed to create directory ") + m_wallet_dir);