From 18046379abfc22374ca5c62236eb3b9077561199 Mon Sep 17 00:00:00 2001
From: Dhanya Maliakal <dhanya.maliakal@psi.ch>
Date: Tue, 18 Oct 2016 14:44:13 +0200
Subject: [PATCH] bugfix:seg fault for giving an error in gui if cannot connect
 to hostname

---
 .../multiSlsDetector/multiSlsDetector.cpp             | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index 0b67c8d70..b27d36aeb 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -514,8 +514,17 @@ string multiSlsDetector::setHostname(const char* name, int pos){
   cout << "-----------------------------set online!" << endl;
 #endif
   setOnline(ONLINE_FLAG);
-  if(detectors[pos]->getErrorMask())
+  if(pos>=0){
+	if(detectors[pos]->getErrorMask())
 	  setErrorMask(getErrorMask()|(1<<pos));
+  }else{
+	  for (int ip=0; ip<thisMultiDetector->numberOfDetectors; ip++) {
+		  if (detectors[ip]) {
+			  if(detectors[ip]->getErrorMask())
+			  	  setErrorMask(getErrorMask()|(1<<ip));
+		  }
+	  }
+  }
 
   return getHostname(pos);
 }