From f682d9a2e99a98a5aa40a72ff3c6e4085f4dd23d Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Thu, 11 Nov 2021 10:26:38 +0100
Subject: [PATCH] MSR mod: fix for error 183
When WinRing0 driver starts, but some other version already created "\\.\WinRing0_1_2_0", it returns error 183 ERROR_ALREADY_EXISTS - "Cannot create a file when that file already exists."
---
src/hw/msr/Msr_win.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/hw/msr/Msr_win.cpp b/src/hw/msr/Msr_win.cpp
index 654f67783..ee5cc85af 100644
--- a/src/hw/msr/Msr_win.cpp
+++ b/src/hw/msr/Msr_win.cpp
@@ -153,6 +153,13 @@ xmrig::Msr::Msr() : d_ptr(new MsrPrivate())
}
}
+ d_ptr->driver = CreateFileW(L"\\\\.\\" SERVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+ if (d_ptr->driver != INVALID_HANDLE_VALUE) {
+ LOG_WARN("%s " YELLOW("service ") YELLOW_BOLD("WinRing0_1_2_0") YELLOW(" already exists, but with a different service name"), tag());
+ d_ptr->reuse = true;
+ return;
+ }
+
if (!d_ptr->reuse) {
d_ptr->service = CreateServiceW(d_ptr->manager, kServiceName, kServiceName, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, path.c_str(), nullptr, nullptr, nullptr, nullptr, nullptr);
if (!d_ptr->service) {