netdev - Re: [PATCH v3] can: proc: fix rcvlist_* header alignment on 64-bit system

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Message-ID: <CAAMKmofSsfP4SZ_At4VqGYVfo7-i+q1Hqrxdfmk79kS+tjtsvg@mail.gmail.com>
Date:   Sun, 25 Apr 2021 16:16:06 +0200
From:   Erik Flodin <erik@...din.me>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     Oliver Hartkopp <socketcan@...tkopp.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH v3] can: proc: fix rcvlist_* header alignment on 64-bit system

Hi,

On Sun, 25 Apr 2021 at 14:27, Marc Kleine-Budde <mkl@...gutronix.de> wrote:
>
> On 25.04.2021 14:22:12, Erik Flodin wrote:
> > Before this fix, the function and userdata columns weren't aligned:
> >   device   can_id   can_mask  function  userdata   matches  ident
> >    vcan0  92345678  9fffffff  0000000000000000  0000000000000000         0  raw
> >    vcan0     123    00000123  0000000000000000  0000000000000000         0  raw
> >
> > After the fix they are:
> >   device   can_id   can_mask      function          userdata       matches  ident
> >    vcan0  92345678  9fffffff  0000000000000000  0000000000000000         0  raw
> >    vcan0     123    00000123  0000000000000000  0000000000000000         0  raw
> >
> > Signed-off-by: Erik Flodin <erik@...din.me>
> > ---
> >  net/can/proc.c | 7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/net/can/proc.c b/net/can/proc.c
> > index 5ea8695f507e..35b6c7512785 100644
> > --- a/net/can/proc.c
> > +++ b/net/can/proc.c
> > @@ -205,8 +205,11 @@ static void can_print_recv_banner(struct seq_file *m)
> >        *                  can1.  00000000  00000000  00000000
> >        *                 .......          0  tp20
> >        */
> > -     seq_puts(m, "  device   can_id   can_mask  function"
> > -                     "  userdata   matches  ident\n");
> > +#ifdef CONFIG_64BIT
> > +     seq_puts(m, "  device   can_id   can_mask      function          userdata       matches  ident\n");
> > +#else
> > +     seq_puts(m, "  device   can_id   can_mask  function  userdata   matches  ident\n");
> > +#endif
>
> Please use "if (IS_ENABLED(CONFIG_64BIT))" as in your example in your
> previous mail.

Ok. I've sent a new patch, but of course I forgot to add -v4. Sorry about that.

// Erik