usb-serial: handle NULL termios methods as "no hardware changing support"
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -429,6 +429,8 @@ static void serial_set_termios (struct tty_struct *tty, struct ktermios * old)
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/* pass on to the driver specific version of this function if it is available */
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/* pass on to the driver specific version of this function if it is available */
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if (port->serial->type->set_termios)
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if (port->serial->type->set_termios)
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port->serial->type->set_termios(port, old);
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port->serial->type->set_termios(port, old);
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else
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tty_termios_copy_hw(tty->termios, old);
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}
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}
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static void serial_break (struct tty_struct *tty, int break_state)
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static void serial_break (struct tty_struct *tty, int break_state)
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