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* [PATCH] Fix warning due to format mismatch for field width argument to fprintf()
@ 2021-05-15  6:49 Heiko Thiery
  2021-05-15  7:59 ` Heiko Thiery
  0 siblings, 1 reply; 4+ messages in thread
From: Heiko Thiery @ 2021-05-15  6:49 UTC (permalink / raw)
  To: netdev; +Cc: Ben Hutchings, Heiko Thiery

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@gmail.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);
 		return -1;
 	}
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] Fix warning due to format mismatch for field width argument to fprintf()
  2021-05-15  6:49 [PATCH] Fix warning due to format mismatch for field width argument to fprintf() Heiko Thiery
@ 2021-05-15  7:59 ` Heiko Thiery
  2021-05-16 18:11   ` Heiko Thiery
  0 siblings, 1 reply; 4+ messages in thread
From: Heiko Thiery @ 2021-05-15  7:59 UTC (permalink / raw)
  To: netdev; +Cc: Ben Hutchings, Ben Hutchings

Added Ben's other mail addresses.

Am Sa., 15. Mai 2021 um 08:49 Uhr schrieb Heiko Thiery <heiko.thiery@gmail.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@gmail.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);
>                 return -1;
>         }
> --
> 2.20.1
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] Fix warning due to format mismatch for field width argument to fprintf()
  2021-05-15  7:59 ` Heiko Thiery
@ 2021-05-16 18:11   ` Heiko Thiery
  2021-05-16 20:40     ` Ben Hutchings
  0 siblings, 1 reply; 4+ messages in thread
From: Heiko Thiery @ 2021-05-16 18:11 UTC (permalink / raw)
  To: netdev; +Cc: Ben Hutchings, Ben Hutchings

Hi all,

Am Sa., 15. Mai 2021 um 09:59 Uhr schrieb Heiko Thiery <heiko.thiery@gmail.com>:
>
> Added Ben's other mail addresses.
>
> Am Sa., 15. Mai 2021 um 08:49 Uhr schrieb Heiko Thiery <heiko.thiery@gmail.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@gmail.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

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] Fix warning due to format mismatch for field width argument to fprintf()
  2021-05-16 18:11   ` Heiko Thiery
@ 2021-05-16 20:40     ` Ben Hutchings
  0 siblings, 0 replies; 4+ messages in thread
From: Ben Hutchings @ 2021-05-16 20:40 UTC (permalink / raw)
  To: Heiko Thiery, netdev

[-- Attachment #1: Type: text/plain, Size: 1967 bytes --]

On Sun, 2021-05-16 at 20:11 +0200, Heiko Thiery wrote:
> Hi all,
> 
> Am Sa., 15. Mai 2021 um 09:59 Uhr schrieb Heiko Thiery <heiko.thiery@gmail.com>:
> > 
> > Added Ben's other mail addresses.
> > 
> > Am Sa., 15. Mai 2021 um 08:49 Uhr schrieb Heiko Thiery <heiko.thiery@gmail.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@gmail.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.

It looks like the type of BNXT_PXP_REG_LEN + BNXT_PCIE_STATS_LEN will
be size_t, so the correct format is "%zx".

Ben.

-- 
Ben Hutchings
Sturgeon's Law: Ninety percent of everything is crap.

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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-05-16 20:40 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2021-05-15  6:49 [PATCH] Fix warning due to format mismatch for field width argument to fprintf() Heiko Thiery
2021-05-15  7:59 ` Heiko Thiery
2021-05-16 18:11   ` Heiko Thiery
2021-05-16 20:40     ` Ben Hutchings

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