diff options
Diffstat (limited to 'winsup/cygwin/fhandler_floppy.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_floppy.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/winsup/cygwin/fhandler_floppy.cc b/winsup/cygwin/fhandler_floppy.cc index 15b727bef..8c9ef9d02 100644 --- a/winsup/cygwin/fhandler_floppy.cc +++ b/winsup/cygwin/fhandler_floppy.cc @@ -159,8 +159,9 @@ fhandler_dev_floppy::lock_partition (DWORD to_write) /* The simple case. We have only a single partition open anyway. Try to lock the partition so that a subsequent write succeeds. If there's some file handle open on one of the affected partitions, - this fails, but that's how it works on Vista and later... */ - if (get_minor () % 16 != 0) + this fails, but that's how it works on Vista and later... + Only DEV_SD7_MAJOR and less can point to partition 0. */ + if (get_major () <= DEV_SD7_MAJOR && get_minor () % 16 != 0) { if (!DeviceIoControl (get_handle (), FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &bytes_read, NULL)) |