[PATCH 1/2] linux: clock_settime: Remove check for nanoseconds validity

Lukasz Majewski lukma@denx.de
Mon Nov 11 15:45:00 GMT 2019


Dear Joseph, Paul,

> The check if passed nanoseconds via struct __timespec64's *tp pointer
> is also performed in the Linux kernel. Remove it from glibc to avoid
> duplication.
> ---
>  sysdeps/unix/sysv/linux/clock_settime.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/sysdeps/unix/sysv/linux/clock_settime.c
> b/sysdeps/unix/sysv/linux/clock_settime.c index
> bda113809b..6706dbb31f 100644 ---
> a/sysdeps/unix/sysv/linux/clock_settime.c +++
> b/sysdeps/unix/sysv/linux/clock_settime.c @@ -25,13 +25,6 @@
>  int
>  __clock_settime64 (clockid_t clock_id, const struct __timespec64 *tp)
>  {
> -  /* Make sure the time cvalue is OK.  */
> -  if (! valid_nanoseconds (tp->tv_nsec))
> -    {
> -      __set_errno (EINVAL);
> -      return -1;
> -    }
> -

I'm just wondering if this patch is OK, as with other patches, which 
convert time to use 64 bit syscalls we do rely on Linux kernel to
check the nanoseconds (and return proper error).

>  #ifdef __ASSUME_TIME64_SYSCALLS
>  # ifndef __NR_clock_settime64
>  #  define __NR_clock_settime64 __NR_clock_settime




Best regards,

Lukasz Majewski

--

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