Re: [PATCH] time: correct the prototype of ns_to_kernel_old_timeval and ns_to_timespec64

[Youngmin Nam <youngmin.nam@samsung.com>]

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Hi Jone, Thomas.

Could you consider applying this patch ?

Thanks

On Tue, Jul 12, 2022 at 11:25:22AM +0200, Arnd Bergmann wrote:
> On Tue, Jul 12, 2022 at 11:47 AM Youngmin Nam <youngmin.nam@samsung.com> wrote:
> >
> > In ns_to_kernel_old_timeval() definition,
> > the function argument is defined with const identifier in kernel/time/time.c,
> > but the prototype in include/linux/time32.h looks different.
> >
> > - The function is defined in kernel/time/time.c as below:
> > struct __kernel_old_timeval ns_to_kernel_old_timeval(const s64 nsec)
> >
> > - The function is decalared in include/linux/time32.h as below:
> > extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec);
> >
> > Because the variable of arithmethic types isn't modified in the calling scope,
> > there's no need to mark arguments as const.
> > And there is a review in Link[1] why it was omitted during review stage,
> > so they should be matched.
> >
> > Likewise, we can remove the "const" keyword in both definition and declaration
> > of ns_to_timespec64() as it was metentined below Link[2] and Link[3].
> >
> > Link[1]: https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1637458.html
> > Link[2]: https://lore.kernel.org/all/20220531064346.51677-1-chanho61.park@samsung.com/T/
> > Link[3]: https://lore.kernel.org/lkml/CAK8P3a3nknJgEDESGdJH91jMj6R_xydFqWASd8r5BbesdvMBgA@mail.gmail.com
> > Fixes: a84d1169164b ("y2038: Introduce struct __kernel_old_timeval")
> > Signed-off-by: Youngmin Nam <youngmin.nam@samsung.com>
> 
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
> 

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