4.17-stable review patch. If anyone has any objections, please let me know.
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From: Matthijs van Duin matthijsvanduin@gmail.com
commit 36ecc1481dc8d8c52d43ba18c6b642c1d2fde789 upstream.
It was being ignored because the flags were not passed to fd allocation.
Fixes: 54ebbfb16034 ("tty: add TIOCGPTPEER ioctl") Signed-off-by: Matthijs van Duin matthijsvanduin@gmail.com Acked-by: Aleksa Sarai asarai@suse.de Cc: stable stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/tty/pty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -625,7 +625,7 @@ int ptm_open_peer(struct file *master, s if (tty->driver != ptm_driver) return -EIO;
- fd = get_unused_fd_flags(0); + fd = get_unused_fd_flags(flags); if (fd < 0) { retval = fd; goto err;