From: Christoph von Wittich <christoph_vw@reactos.org>
Date: Tue, 18 Aug 2015 07:13:02 +0000 (+0000)
Subject: [KERNEL32]
X-Git-Tag: ReactOS-0.4.0~1276
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=1072442ea25c4ec75a143591591177997ae567f9

[KERNEL32]
lpBytesReturned must not be NULL when lpOverlapped is NULL as well

svn path=/trunk/; revision=68748
---

diff --git a/reactos/dll/win32/kernel32/client/file/volume.c b/reactos/dll/win32/kernel32/client/file/volume.c
index 8315ec4c35d..1a2af5e4654 100644
--- a/reactos/dll/win32/kernel32/client/file/volume.c
+++ b/reactos/dll/win32/kernel32/client/file/volume.c
@@ -426,6 +426,7 @@ FindFirstVolumeW(IN LPWSTR volume,
                  IN DWORD len)
 {
     DWORD size = 1024;
+    DWORD br;
     HANDLE mgr = CreateFileW( MOUNTMGR_DOS_DEVICE_NAME, 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
                               NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, INVALID_HANDLE_VALUE );
     if (mgr == INVALID_HANDLE_VALUE) return INVALID_HANDLE_VALUE;
@@ -443,7 +444,7 @@ FindFirstVolumeW(IN LPWSTR volume,
         memset( &input, 0, sizeof(input) );
 
         if (!DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_POINTS, &input, sizeof(input),
-                              output, size, NULL, NULL ))
+                              output, size, &br, NULL ))
         {
             if (GetLastError() != ERROR_MORE_DATA) break;
             size = output->Size;