From be873f64540d3c0b1227920eb466097ed738f452 Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Mon, 23 Jun 2014 14:35:35 +0200
Subject: [PATCH] Issue warning if collecting RandSeed data failed

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

diff --git a/src/util.cpp b/src/util.cpp
index 1480b2ebf..794608957 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -176,7 +176,14 @@ void RandAddSeedPerfmon()
     {
         RAND_add(begin_ptr(vData), nSize, nSize/100.0);
         OPENSSL_cleanse(begin_ptr(vData), nSize);
-        LogPrint("rand", "RandAddSeed() %lu bytes\n", nSize);
+        LogPrint("rand", "%s: %lu bytes\n", __func__, nSize);
+    } else {
+        static bool warned = false; // Warn only once
+        if (!warned)
+        {
+            LogPrintf("%s: Warning: RegQueryValueExA(HKEY_PERFORMANCE_DATA) failed with code %i\n", __func__, ret);
+            warned = true;
+        }
     }
 #endif
 }