netdev - Re: [PATCH] ionic: remove useless return code

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Date:   Thu, 19 Sep 2019 17:21:45 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Shannon Nelson <snelson@...sando.io>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Pensando Drivers <drivers@...sando.io>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] ionic: remove useless return code

On Wed, 18 Sep 2019 13:46:34 -0700, Shannon Nelson wrote:
> On 9/18/19 12:57 PM, Arnd Bergmann wrote:
> > The debugfs function was apparently changed from returning an error code
> > to a void return, but the return code left in place, causing a warning
> > from clang:
> >
> > drivers/net/ethernet/pensando/ionic/ionic_debugfs.c:60:37: error: expression result unused [-Werror,-Wunused-value]
> >                              ionic, &identity_fops) ? 0 : -EOPNOTSUPP;
> >                                                           ^~~~~~~~~~~
> >
> > Fixes: fbfb8031533c ("ionic: Add hardware init and device commands")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > ---
> >   drivers/net/ethernet/pensando/ionic/ionic_debugfs.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> > index 7afc4a365b75..bc03cecf80cc 100644
> > --- a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> > +++ b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> > @@ -57,7 +57,7 @@ DEFINE_SHOW_ATTRIBUTE(identity);
> >   void ionic_debugfs_add_ident(struct ionic *ionic)
> >   {
> >   	debugfs_create_file("identity", 0400, ionic->dentry,
> > -			    ionic, &identity_fops) ? 0 : -EOPNOTSUPP;
> > +			    ionic, &identity_fops);
> >   }
> >   
> >   void ionic_debugfs_add_sizes(struct ionic *ionic)  
> 
> This has just recently been addressed by Nathan Chancellor 
> <natechancellor@...il.com>

Yup, should be in the net tree now.

> Either way,
> 
> Acked-by: Shannon Nelson <snelson@...sando.io>

Thanks for quick reviews!