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usb-serial: handle NULL termios methods as "no hardware changing support"
author
Alan Cox
<alan@lxorguk.ukuu.org.uk>
Thu, 18 Oct 2007 08:24:22 +0000
(
01:24
-0700)
committer
Greg Kroah-Hartman
<gregkh@suse.de>
Thu, 25 Oct 2007 19:18:42 +0000
(12:18 -0700)
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>
drivers/usb/serial/usb-serial.c
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diff --git
a/drivers/usb/serial/usb-serial.c
b/drivers/usb/serial/usb-serial.c
index
4b1bd7d
..
426afaa
100644
(file)
--- a/
drivers/usb/serial/usb-serial.c
+++ b/
drivers/usb/serial/usb-serial.c
@@
-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)