diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 09223afb7..f4c75a307 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2009-07-22  Corinna Vinschen  <corinna@vinschen.de>
+
+	* mount.cc (fs_info::update): Open filesystem with access set to 0.
+	Explain why.
+
 2009-07-22  Corinna Vinschen  <corinna@vinschen.de>
 
 	* mount.cc: Revert accidental checkin.
diff --git a/winsup/cygwin/mount.cc b/winsup/cygwin/mount.cc
index ed1ab90d4..64583c7ab 100644
--- a/winsup/cygwin/mount.cc
+++ b/winsup/cygwin/mount.cc
@@ -133,8 +133,11 @@ fs_info::update (PUNICODE_STRING upath, HANDLE in_vol)
       /* Always caseinsensitive.  We really just need access to the drive. */
       InitializeObjectAttributes (&attr, upath, OBJ_CASE_INSENSITIVE, NULL,
 				  NULL);
-      status = NtOpenFile (&vol, READ_CONTROL, &attr, &io,
-			   FILE_SHARE_VALID_FLAGS, FILE_OPEN_FOR_BACKUP_INTENT);
+      /* At least one filesystem (HGFS, VMware shared folders) doesn't like
+         to be opened with acces set to just READ_CONTROL.  No worries, since
+	 filesystem information is available without any access bit set. */
+      status = NtOpenFile (&vol, 0, &attr, &io, FILE_SHARE_VALID_FLAGS,
+			   FILE_OPEN_FOR_BACKUP_INTENT);
       while (!NT_SUCCESS (status)
 	     && (attr.ObjectName->Length > 7 * sizeof (WCHAR)
 		 || status == STATUS_NO_MEDIA_IN_DEVICE))
@@ -149,8 +152,7 @@ fs_info::update (PUNICODE_STRING upath, HANDLE in_vol)
 	    }
 	  else if (dir.Length > 7 * sizeof (WCHAR))
 	    dir.Length -= sizeof (WCHAR);
-	  status = NtOpenFile (&vol, READ_CONTROL, &attr, &io,
-			       FILE_SHARE_VALID_FLAGS,
+	  status = NtOpenFile (&vol, 0, &attr, &io, FILE_SHARE_VALID_FLAGS,
 			       FILE_OPEN_FOR_BACKUP_INTENT);
 	}
       if (!NT_SUCCESS (status))