linux-kernel - Re: [PATCH 1/3] USB : serial : call handle_dcd

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Date:	Fri, 13 Sep 2013 17:51:38 +0200
From:	Johan Hovold <jhovold@...il.com>
To:	Paul Chavent <Paul.Chavent@...ra.fr>
Cc:	linux-usb@...r.kernel.org, gregkh@...uxfoundation.org,
	jhovold@...il.com, fschaefer.oss@...glemail.com, jslaby@...e.cz,
	max@...e.de, giometti@...eenne.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] USB : serial : call handle_dcd_change in ftdi driver.

On Fri, Sep 13, 2013 at 05:35:11PM +0200, Paul Chavent wrote:
> Signed-off-by: Paul Chavent <paul.chavent@...ra.fr>
> ---
>  drivers/usb/serial/ftdi_sio.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
> index c45f9c0..df66495 100644
> --- a/drivers/usb/serial/ftdi_sio.c
> +++ b/drivers/usb/serial/ftdi_sio.c
> @@ -1966,8 +1966,14 @@ static int ftdi_process_packet(struct usb_serial_port *port,
>  			port->icount.dsr++;
>  		if (diff_status & FTDI_RS0_RI)
>  			port->icount.rng++;
> -		if (diff_status & FTDI_RS0_RLSD)
> +		if (diff_status & FTDI_RS0_RLSD) {
>  			port->icount.dcd++;
> +			struct tty_struct *tty = tty_port_tty_get(&port->port);

Please move the tty_struct definition to the top of the function (or at
least to the top of the block).

Thanks,
Johan
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