linux-kernel - Re: [PATCH 1/1] drivers/net: param for lapbether for specific ethernet device

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Message-ID: <51C1B684.6010700@cogentembedded.com>
Date:	Wed, 19 Jun 2013 17:47:48 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Stephen Moorby <steve.moorby@...world.com>
CC:	davem@...emloft.net, jiri@...nulli.us, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] drivers/net: param for lapbether for specific ethernet
 device

Hello.

On 19-06-2013 12:21, Stephen Moorby wrote:

>  From 35607dd0607bca5322860703143c31cb04377764 Mon Sep 17 00:00:00 2001
> From: Stephen Moorby <steve.moorby@...world.com>
> Date: Wed, 19 Jun 2013 08:22:51 +0100
> Subject: [PATCH 1/1] drivers/net: param for lapbether for specific ethernet
>   device

    No need for this header.

> The lapbether driver binds to the first ethernet device that comes up.
> This causes problems in hardware with multiple ethernet interfaces,
> potentially resulting in the LAPB traffic on the wrong interface.
> Have added a module parameter 'eth_dev' to specify the ethernet
> interface over which lapbether should operate.  The module behaves
> as before if no device is specified.
>
> Patch created on linux-next 18-Jun-2013.
> Tested on 2.6.32-45-generic.
>
> Signed-off-by: Stephen Moorby <steve.moorby@...world.com>
> ---
>   drivers/net/wan/lapbether.c | 15 +++++++++++++--
>   1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
> index a33a46f..510fc4a 100644
> --- a/drivers/net/wan/lapbether.c
> +++ b/drivers/net/wan/lapbether.c
[...]
> @@ -381,8 +382,14 @@ static int lapbeth_device_event(struct
> notifier_block *this,

    Your patch is line-wrapped.

>       switch (event) {
>       case NETDEV_UP:
>           /* New ethernet device -> new LAPB interface     */
> -        if (lapbeth_get_x25_dev(dev) == NULL)
> -            lapbeth_new_device(dev);
> +        if (lapbeth_get_x25_dev(dev) == NULL) {
> +            if (NULL != eth_dev) {
> +                if (0 == strcmp(dev->name, eth_dev))
> +                    lapbeth_new_device(dev);
> +            } else {
> +                lapbeth_new_device(dev);
> +            }
> +        }

    It seems the patch is also white space damaged, i.e. tabs converted 
to spaces.

WBR, Sergei

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