From a80c914e7033db6213c708ecb34b9f66681ae924 Mon Sep 17 00:00:00 2001
From: "David R. Williamson" <drwill@microsoft.com>
Date: Mon, 12 Jul 2021 10:07:53 -0700
Subject: [PATCH] More codes doc'd, code clean up

---
 .../ExponentialBackoffRetryStrategy.cs                     | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/iothub/device/src/TransientFaultHandling/ExponentialBackoffRetryStrategy.cs b/iothub/device/src/TransientFaultHandling/ExponentialBackoffRetryStrategy.cs
index cc8d9a14be..2736744263 100644
--- a/iothub/device/src/TransientFaultHandling/ExponentialBackoffRetryStrategy.cs
+++ b/iothub/device/src/TransientFaultHandling/ExponentialBackoffRetryStrategy.cs
@@ -102,8 +102,11 @@ public override ShouldRetry GetShouldRetry()
             {
                 if (currentRetryCount < _retryCount)
                 {
-                    double exponentialInterval = (Math.Pow(2.0, currentRetryCount) - 1.0)
-                        * s_random.Next(
+                    Random random = new Random();
+
+                    double exponentialInterval =
+                        (Math.Pow(2.0, currentRetryCount) - 1.0)
+                        * random.Next(
                             (int)_deltaBackoff.TotalMilliseconds * 8 / 10,
                             (int)_deltaBackoff.TotalMilliseconds * 12 / 10)
                         + _minBackoff.TotalMilliseconds;