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

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Date:	Wed, 25 Jul 2012 15:47:31 -0700
From:	Greg KH <greg@...ah.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...ux.intel.com>
Subject: Re: linux-next: build failure after merge of the final tree (tty
 tree related)

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@...b.auug.org.au>
> 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@...b.auug.org.au>
> ---
>  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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