From e2e37c8cfbd15f92dd780c44193075dbec46ed1b Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Thu, 6 Feb 2020 22:00:03 +0700
Subject: [PATCH] Fixed nicehash nonce overflow for GPU backends.

---
 src/backend/cuda/CudaWorker.cpp  | 8 +++++---
 src/backend/cuda/CudaWorker.h    | 4 ++--
 src/backend/opencl/OclWorker.cpp | 9 +++++----
 src/backend/opencl/OclWorker.h   | 4 ++--
 4 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/src/backend/cuda/CudaWorker.cpp b/src/backend/cuda/CudaWorker.cpp
index c9cb602c..6823a919 100644
--- a/src/backend/cuda/CudaWorker.cpp
+++ b/src/backend/cuda/CudaWorker.cpp
@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -139,7 +139,9 @@ void xmrig::CudaWorker::start()
             }
 
             const size_t batch_size = intensity();
-            m_job.nextRound(roundSize(batch_size), batch_size);
+            if (!m_job.nextRound(roundSize(batch_size), batch_size)) {
+                JobResults::done(m_job.currentJob());
+            }
 
             storeStats();
             std::this_thread::yield();
diff --git a/src/backend/cuda/CudaWorker.h b/src/backend/cuda/CudaWorker.h
index f717ca50..3ceee870 100644
--- a/src/backend/cuda/CudaWorker.h
+++ b/src/backend/cuda/CudaWorker.h
@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
diff --git a/src/backend/opencl/OclWorker.cpp b/src/backend/opencl/OclWorker.cpp
index 83b83dae..c8f69b27 100644
--- a/src/backend/opencl/OclWorker.cpp
+++ b/src/backend/opencl/OclWorker.cpp
@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -25,7 +25,6 @@
 
 
 #include "backend/opencl/OclWorker.h"
-
 #include "backend/common/Tags.h"
 #include "backend/opencl/runners/OclCnRunner.h"
 #include "backend/opencl/runners/tools/OclSharedData.h"
@@ -187,7 +186,9 @@ void xmrig::OclWorker::start()
                 JobResults::submit(m_job.currentJob(), results, results[0xFF]);
             }
 
-            m_job.nextRound(roundSize(m_intensity), m_intensity);
+            if (!m_job.nextRound(roundSize(m_intensity), m_intensity)) {
+                JobResults::done(m_job.currentJob());
+            }
 
             storeStats(t);
             std::this_thread::yield();
diff --git a/src/backend/opencl/OclWorker.h b/src/backend/opencl/OclWorker.h
index 01803f70..6150b56d 100644
--- a/src/backend/opencl/OclWorker.h
+++ b/src/backend/opencl/OclWorker.h
@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by