From 5bfc68cc14a4fd157f5f6df716648ac67542e528 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 15 Oct 2017 10:43:49 +0200
Subject: [PATCH] [KERNEL32] Fix buffer size for allocation in
 GetVolumeInformationW(). This fixes function failing with big enough buffer.

---
 dll/win32/kernel32/client/file/volume.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dll/win32/kernel32/client/file/volume.c b/dll/win32/kernel32/client/file/volume.c
index 90016b8e086..ba0ef82f5dd 100644
--- a/dll/win32/kernel32/client/file/volume.c
+++ b/dll/win32/kernel32/client/file/volume.c
@@ -253,6 +253,10 @@ GetVolumeInformationW(IN LPCWSTR lpRootPathName,
         RootPathName = lpRootPathName;
     }
 
+    /* Convert length to bytes */
+    nVolumeNameSize *= sizeof(WCHAR);
+    nFileSystemNameSize *= sizeof(WCHAR);
+
     /* Convert to NT name */
     if (!RtlDosPathNameToNtPathName_U(RootPathName, &NtPathName, NULL, NULL))
     {