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

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Date:   Wed, 2 Dec 2020 11:22:56 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jarod Wilson <jarod@...hat.com>
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, 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.