From c486d8774f9c1e9849b42d22e69d98be71596a36 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Mon, 7 Jan 2008 23:17:42 +0100
Subject: [PATCH] kernel32: Fail more gracefully in GetVolumeInformation for
 fake drive devices.

---
 dlls/kernel32/volume.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/kernel32/volume.c b/dlls/kernel32/volume.c
index 4948ef4f4b3..df9180f6a49 100644
--- a/dlls/kernel32/volume.c
+++ b/dlls/kernel32/volume.c
@@ -304,7 +304,10 @@ static enum fs_type VOLUME_ReadFATSuperblock( HANDLE handle, BYTE *buff )
     /* try a fixed disk, with a FAT partition */
     if (SetFilePointer( handle, 0, NULL, FILE_BEGIN ) != 0 ||
         !ReadFile( handle, buff, SUPERBLOCK_SIZE, &size, NULL ))
+    {
+        if (GetLastError() == ERROR_BAD_DEV_TYPE) return FS_UNKNOWN;  /* not a real device */
         return FS_ERROR;
+    }
 
     if (size < SUPERBLOCK_SIZE) return FS_UNKNOWN;