From dad5bbfdf9597eb699f70c209c286b4c48cb1bd8 Mon Sep 17 00:00:00 2001
From: cryptochangements34 <bevanoffr@gmail.com>
Date: Sun, 28 Oct 2018 09:50:33 -0400
Subject: [PATCH] return message in stop_mining if mining never started

---
 src/rpc/core_rpc_server.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index aa9d3d64b..acce2d5d0 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -801,7 +801,14 @@ namespace cryptonote
   bool core_rpc_server::on_stop_mining(const COMMAND_RPC_STOP_MINING::request& req, COMMAND_RPC_STOP_MINING::response& res)
   {
     PERF_TIMER(on_stop_mining);
-    if(!m_core.get_miner().stop())
+    cryptonote::miner &miner= m_core.get_miner();
+    if(!miner.is_mining())
+    {
+      res.status = "Mining never started";
+      LOG_PRINT_L0(res.status);
+      return true;
+    }
+    if(!miner.stop())
     {
       res.status = "Failed, mining not stopped";
       LOG_PRINT_L0(res.status);