Re: [PATCH v4 1/2] wan/hdlc_x25: make lapb params configurable

[Martin Schiller]

On 2020-01-21 12:01, David Miller wrote:
> From: David Miller <davem@xxxxxxxxxxxxx>
> Date: Tue, 21 Jan 2020 11:41:52 +0100 (CET)
>
> > From: Martin Schiller <ms@xxxxxxxxxx>
> > Date: Tue, 21 Jan 2020 07:00:33 +0100
> >
> > > This enables you to configure mode (DTE/DCE), Modulo, Window, T1, T2, 
> > > N2 via
> > > sethdlc (which needs to be patched as well).
> > >
> > > Signed-off-by: Martin Schiller <ms@xxxxxxxxxx>
> >
> > Applied to net-next.
>
> I seriously wonder how much you tested this code, because the compiler 
> warned
> me about:
>
> diff --git a/drivers/net/wan/hdlc_x25.c b/drivers/net/wan/hdlc_x25.c
> index 63c9aeed9a34..c84536b03aa8 100644
> --- a/drivers/net/wan/hdlc_x25.c
> +++ b/drivers/net/wan/hdlc_x25.c
> @@ -253,7 +253,7 @@ static int x25_ioctl(struct net_device *dev,
> struct ifreq *ifr)
>  			return -EBUSY;
>
>  		/* backward compatibility */
> -		if (ifr->ifr_settings.size = 0) {
> +		if (ifr->ifr_settings.size == 0) {
>  			new_settings.dce = 0;
>  			new_settings.modulo = 8;
>  			new_settings.window = 7;
>
> I'll commit that fix, but this is truly careless especially since the 
> compiler
> warns about it.

I really want to apologize for that. I am currently working with
several branches of different kernel versions (mainly 4.19) and I
have overlooked this error when porting the latest changes.