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usb-serial: handle NULL termios methods as "no hardware changing support"

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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>
This commit is contained in:
Alan Cox 2007-10-18 01:24:22 -07:00 • committed by Greg Kroah-Hartman
parent ed1f12ec50
commit 337850917a
1 changed files with 2 additions and 0 deletions

2
drivers/usb/serial/usb-serial.c
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@ -429,6 +429,8 @@ static void serial_set_termios (struct tty_struct *tty, struct ktermios * old)
/* pass on to the driver specific version of this function if it is available */
if (port->serial->type->set_termios)
port->serial->type->set_termios(port, old);
else
tty_termios_copy_hw(tty->termios, old);
}
static void serial_break (struct tty_struct *tty, int break_state)