From 5045403d85175e5d90debfb041734e99a9c631ad Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Mon, 28 Sep 2020 16:01:38 -0700
Subject: [PATCH] sys: FspFsvolSetRenameInformation: tolerate trailing
 backslash on target name

---
 src/sys/fileinfo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sys/fileinfo.c b/src/sys/fileinfo.c
index 454b83ca..b0316476 100644
--- a/src/sys/fileinfo.c
+++ b/src/sys/fileinfo.c
@@ -1589,6 +1589,10 @@ retry:
 
         Suffix.Length = (USHORT)Info->FileNameLength;
         Suffix.Buffer = Info->FileName;
+        /* remove any trailing backslash */
+        if (sizeof(WCHAR) * 2/* not empty or root */ <= Suffix.Length &&
+            L'\\' == Suffix.Buffer[Suffix.Length / sizeof(WCHAR) - 1])
+            Suffix.Length -= sizeof(WCHAR);
         /* if there is a backslash anywhere in the NewFileName get its suffix */
         for (PWSTR P = Suffix.Buffer, EndP = P + Suffix.Length / sizeof(WCHAR); EndP > P; P++)
             if (L'\\' == *P)