diff options
Diffstat (limited to 'winsup/cygwin/fhandler_raw.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_raw.cc | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/winsup/cygwin/fhandler_raw.cc b/winsup/cygwin/fhandler_raw.cc index 4fafe20cf..84f657f76 100644 --- a/winsup/cygwin/fhandler_raw.cc +++ b/winsup/cygwin/fhandler_raw.cc @@ -144,10 +144,9 @@ fhandler_dev_raw::open (int flags, mode_t) flags &= ~(O_CREAT | O_TRUNC); flags |= O_BINARY; - if (get_major () == DEV_TAPE_MAJOR - || (flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_WRONLY - || (flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_RDWR) - flags = ((flags & ~(O_WRONLY | O_RDWR)) | O_RDWR); + /* Write-only doesn't work well with raw devices */ + if ((flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_WRONLY) + flags = ((flags & ~O_WRONLY) | O_RDWR); int res = fhandler_base::open (flags, 0); if (res && devbufsiz > 1L) |