netdev - Re: [PATCH] Fix warning due to format mismatch for field width argument to fprintf()

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Message-ID: <CAEyMn7ap3RL_oh0ucerH9POP+S4VGKfULhJQSb3AVeNFjR4VZw@mail.gmail.com>
Date:   Sun, 16 May 2021 20:11:59 +0200
From:   Heiko Thiery <heiko.thiery@...il.com>
To:     netdev@...r.kernel.org
Cc:     Ben Hutchings <bhutchings@...arflare.com>,
        Ben Hutchings <bwh@...nel.org>
Subject: Re: [PATCH] Fix warning due to format mismatch for field width
 argument to fprintf()

Hi all,

Am Sa., 15. Mai 2021 um 09:59 Uhr schrieb Heiko Thiery <heiko.thiery@...il.com>:
>
> Added Ben's other mail addresses.
>
> Am Sa., 15. Mai 2021 um 08:49 Uhr schrieb Heiko Thiery <heiko.thiery@...il.com>:
> >
> > bnxt.c:66:54: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘unsigned int’ [-Wformat=]
> >    66 |   fprintf(stdout, "Length is too short, expected 0x%lx\n",
> >       |                                                    ~~^
> >       |                                                      |
> >       |                                                      long unsigned int
> >       |                                                    %x
> >
> > Signed-off-by: Heiko Thiery <heiko.thiery@...il.com>
> > ---
> >  bnxt.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/bnxt.c b/bnxt.c
> > index b46db72..0c62d1e 100644
> > --- a/bnxt.c
> > +++ b/bnxt.c
> > @@ -63,7 +63,7 @@ int bnxt_dump_regs(struct ethtool_drvinfo *info __maybe_unused, struct ethtool_r
> >                 return 0;
> >
> >         if (regs->len < (BNXT_PXP_REG_LEN + BNXT_PCIE_STATS_LEN)) {
> > -               fprintf(stdout, "Length is too short, expected 0x%lx\n",
> > +               fprintf(stdout, "Length is too short, expected 0x%x\n",
> >                         BNXT_PXP_REG_LEN + BNXT_PCIE_STATS_LEN);

This does not solve the issue. The provided patch only works on 32bit
systems. It seems there is a problem with 32bit vs 64bit.

-- 
Heiko