From 0645442704498d2b91d895c2e787be7c4b87a357 Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <hillbrand@ucdavis.edu>
Date: Tue, 4 Feb 2020 04:50:23 -0600
Subject: [PATCH] eeschema: Fix crash in CheckAnnotate()

CheckAnnotate cannot do anything to an empty schematic, so abort before
referencing the list
---
 eeschema/annotate.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/eeschema/annotate.cpp b/eeschema/annotate.cpp
index a31cb65397..99a6c98a05 100644
--- a/eeschema/annotate.cpp
+++ b/eeschema/annotate.cpp
@@ -254,5 +254,9 @@ int SCH_EDIT_FRAME::CheckAnnotate( REPORTER& aReporter, bool aOneSheetOnly )
     else
         g_CurrentSheet->GetComponents( componentsList );
 
+    // Empty schematic does not need annotation
+    if( componentsList.GetCount() == 0 )
+        return 0;
+
     return componentsList.CheckAnnotation( aReporter );
 }