[PATCH 4.17 302/324] pty: fix O_CLOEXEC for TIOCGPTPEER

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4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Matthijs van Duin <matthijsvanduin@xxxxxxxxx>

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@xxxxxxxxx>
Acked-by: Aleksa Sarai <asarai@xxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 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;





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