[PATCH 4.14 004/217] pty: fix O_CLOEXEC for TIOCGPTPEER

Greg Kroah-Hartman
2018-08-23T08:18:16Z

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;