Re: linux-next: build failure after merge of the final tree (ttytree related)

From: Greg KH
Date: Wed Jul 25 2012 - 18:47:27 EST


On Fri, Jul 20, 2012 at 03:02:37PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
>
> drivers/usb/serial/console.c: In function 'usb_console_setup':
> drivers/usb/serial/console.c:168:16: error: invalid type argument of '->' (have 'struct ktermios')
> drivers/usb/serial/console.c:169:4: error: incompatible type for argument 1 of 'tty_termios_encode_baud_rate'
> include/linux/tty.h:449:13: note: expected 'struct ktermios *' but argument is of type 'struct ktermios'
>
> Caused by commit adc8d746caa6 ("tty: move the termios object into the
> tty"). Hopefully this is the last of them.
>
> I have added the following fix patch for today:
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Fri, 20 Jul 2012 14:58:31 +1000
> Subject: [PATCH] tty: fix up usb serial console for termios change.
>
> fixes these errors:
>
> drivers/usb/serial/console.c: In function 'usb_console_setup':
> drivers/usb/serial/console.c:168:16: error: invalid type argument of '->' (have 'struct ktermios')
> drivers/usb/serial/console.c:169:4: error: incompatible type for argument 1 of 'tty_termios_encode_baud_rate'
> include/linux/tty.h:449:13: note: expected 'struct ktermios *' but argument is of type 'struct ktermios'
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/usb/serial/console.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
> index b9cca6d..9a56428 100644
> --- a/drivers/usb/serial/console.c
> +++ b/drivers/usb/serial/console.c
> @@ -165,8 +165,8 @@ static int usb_console_setup(struct console *co, char *options)
> }
>
> if (serial->type->set_termios) {
> - tty->termios->c_cflag = cflag;
> - tty_termios_encode_baud_rate(tty->termios, baud, baud);
> + tty->termios.c_cflag = cflag;
> + tty_termios_encode_baud_rate(&tty->termios, baud, baud);
> memset(&dummy, 0, sizeof(struct ktermios));
> serial->type->set_termios(tty, port, &dummy);
>

Alan, any objection to this?

greg k-h
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