From f485e0bcc922532a7b37e8ee8c701dc13b90086d Mon Sep 17 00:00:00 2001
From: Mark Rivers <rivers@cars.uchicago.edu>
Date: Thu, 4 Apr 2019 08:50:21 -0500
Subject: [PATCH] Force maxAddr to be at least 2

---
 ADApp/pluginSrc/NDPluginAttribute.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ADApp/pluginSrc/NDPluginAttribute.cpp b/ADApp/pluginSrc/NDPluginAttribute.cpp
index ba061b5f5..8414af995 100644
--- a/ADApp/pluginSrc/NDPluginAttribute.cpp
+++ b/ADApp/pluginSrc/NDPluginAttribute.cpp
@@ -11,6 +11,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <math.h>
+#include <algorithm>
 
 #include <epicsTypes.h>
 #include <epicsMessageQueue.h>
@@ -179,7 +180,7 @@ NDPluginAttribute::NDPluginAttribute(const char *portName, int queueSize, int bl
                                      int priority, int stackSize)
     /* Invoke the base class constructor */
     : NDPluginDriver(portName, queueSize, blockingCallbacks,
-                   NDArrayPort, NDArrayAddr, maxAttributes, maxBuffers, maxMemory,
+                   NDArrayPort, NDArrayAddr, std::max<int>(maxAttributes,2), maxBuffers, maxMemory,
                    asynInt32ArrayMask | asynFloat64Mask | asynFloat64ArrayMask | asynGenericPointerMask,
                    asynInt32ArrayMask | asynFloat64Mask | asynFloat64ArrayMask | asynGenericPointerMask,
                    ASYN_MULTIDEVICE, 1, priority, stackSize, 1)