From fa1b466aec4004c014feedf8565c0f6a3bedf37e Mon Sep 17 00:00:00 2001
From: Zain Wang <wzz@rock-chips.com>
Date: Wed, 6 Nov 2019 16:21:47 +0800
Subject: [PATCH] Don't delete MTP root directory

---
 server/UbuntuMtpDatabase.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/UbuntuMtpDatabase.h b/server/UbuntuMtpDatabase.h
index 29bd315..d675809 100644
--- a/server/UbuntuMtpDatabase.h
+++ b/server/UbuntuMtpDatabase.h
@@ -1035,6 +1035,9 @@ public:
         if (handle == 0 || handle == MTP_PARENT_ROOT)
             return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
 
+        DbEntry entry = db.at(handle);
+        if (entry.parent == 0)
+            return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
         try {
             if (db.at(handle).object_format == MTP_FORMAT_ASSOCIATION)
                 inotify_rm_watch(inotify_fd, db.at(handle).watch_fd);
-- 
2.7.4