Re: [PATCH] usb: hso: check for return value in hso_serial_common_create()

[David Miller <davem@xxxxxxxxxxxxx>]

From: Rustam Kovhaev <rkovhaev@xxxxxxxxx>
Date: Mon, 27 Jul 2020 23:42:17 -0700

> in case of an error tty_register_device_attr() returns ERR_PTR(),
> add IS_ERR() check
> 
> Reported-and-tested-by: syzbot+67b2bd0e34f952d0321e@xxxxxxxxxxxxxxxxxxxxxxxxx
> Link: https://syzkaller.appspot.com/bug?extid=67b2bd0e34f952d0321e
> Signed-off-by: Rustam Kovhaev <rkovhaev@xxxxxxxxx>

Applied, thank you.