From a30efc6cc708918ddb021f6f078f6ddd606a19f5 Mon Sep 17 00:00:00 2001
From: Ludovic Marcotte <lmarcotte@inverse.ca>
Date: Thu, 22 Jun 2017 10:20:54 -0400
Subject: [PATCH] (fix) check cache before using it (fixes #3988)

---
 SoObjects/SOGo/SOGoGCSFolder.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/SoObjects/SOGo/SOGoGCSFolder.m b/SoObjects/SOGo/SOGoGCSFolder.m
index 48cea27be..6f0d66c17 100644
--- a/SoObjects/SOGo/SOGoGCSFolder.m
+++ b/SoObjects/SOGo/SOGoGCSFolder.m
@@ -447,7 +447,9 @@ static NSArray *childRecordFields = nil;
   cache = [SOGoCache sharedCache];
   record = [[cache valueForKey: _path] objectFromJSONString];
 
-  if (!record)
+  // We check if we got a cache miss or a potentially bogus
+  // entry from the cache
+  if (!record || ![record objectForKey: @"c_folder_type"])
     {
       record = [[self folderManager] recordAtPath: _path];