linux-kernel - Re: [PATCH net v2] bonding: fix feature flag setting at init time

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Date:   Wed, 2 Dec 2020 14:39:49 -0500
From:   Jarod Wilson <jarod@...hat.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ivan Vecera <ivecera@...hat.com>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Davis <tadavis@....gov>, Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net v2] bonding: fix feature flag setting at init time

On Wed, Dec 2, 2020 at 2:23 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed, 2 Dec 2020 14:03:53 -0500 Jarod Wilson wrote:
> > On Wed, Dec 2, 2020 at 12:53 PM Jakub Kicinski <kuba@...nel.org> wrote:
> > >
> > > On Wed,  2 Dec 2020 12:30:53 -0500 Jarod Wilson wrote:
> > > > +     if (bond->dev->reg_state != NETREG_REGISTERED)
> > > > +             goto noreg;
> > > > +
> > > >       if (newval->value == BOND_MODE_ACTIVEBACKUP)
> > > >               bond->dev->wanted_features |= BOND_XFRM_FEATURES;
> > > >       else
> > > >               bond->dev->wanted_features &= ~BOND_XFRM_FEATURES;
> > > > -     netdev_change_features(bond->dev);
> > > > +     netdev_update_features(bond->dev);
> > > > +noreg:
> > >
> > > Why the goto?
> >
> > Seemed cleaner to prevent an extra level of indentation of the code
> > following the goto and before the label, but I'm not that attached to
> > it if it's not wanted for coding style reasons.
>
> Yes, please don't use gotos where a normal if statement is sufficient.
> If you must avoid the indentation move the code to a helper.
>
> Also - this patch did not apply to net, please make sure you're
> developing on the correct base.

Argh, I must have been working in net-next instead of net, apologies.
Okay, I'll clarify the description per what Jay pointed out and adjust
the code to not include a goto, then make it on the right branch.

-- 
Jarod Wilson
jarod@...hat.com