From 524655c48631f3fe872b5b38048a29f767e601ee Mon Sep 17 00:00:00 2001
From: Filip W <wojcieszyn@gmail.com>
Date: Wed, 26 May 2021 21:27:35 +0200
Subject: [PATCH] avoid NRE when document is null

---
 src/OmniSharp.Roslyn.CSharp/Helpers/LocationExtensions.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/OmniSharp.Roslyn.CSharp/Helpers/LocationExtensions.cs b/src/OmniSharp.Roslyn.CSharp/Helpers/LocationExtensions.cs
index ef15b41265..8f380fddb4 100644
--- a/src/OmniSharp.Roslyn.CSharp/Helpers/LocationExtensions.cs
+++ b/src/OmniSharp.Roslyn.CSharp/Helpers/LocationExtensions.cs
@@ -42,7 +42,7 @@ static SourceText GetSourceText(Location location, IEnumerable<Document> documen
                 if (hasMappedPath)
                 {
                     SourceText source = null;
-                    if (documents != null && documents.FirstOrDefault(d => d.TryGetText(out source)) != null)
+                    if (documents != null && documents.FirstOrDefault(d => d != null && d.TryGetText(out source)) != null)
                     {
                         // we have a mapped document that exists in workspace
                         return source;