On Tue, 2007-05-15 at 10:17 +0200, Eric Dumazet wrote:
> OK, here is the fix only patch, for linux-2.6.21-stable only, since 2.6.22 is already fixed.
>
> [PATCH] x86_64 : Fix vgettimeofday()
>
> vgettimeofday() may return some bad timeval values, (tv_usec = 1000000), because of a wrong compare.
>
> Signed-off-by: Eric Dumazet <[email protected]>
>
> --- arch/x86_64/kernel/vsyscall.c
> +++ arch/x86_64/kernel/vsyscall.c
> @@ -132,7 +132,7 @@ static __always_inline void do_vgettimeo
>
> /* convert to usecs and add to timespec: */
> tv->tv_usec += nsec_delta / NSEC_PER_USEC;
> - while (tv->tv_usec > USEC_PER_SEC) {
> + while (tv->tv_usec >= USEC_PER_SEC) {
> tv->tv_sec += 1;
> tv->tv_usec -= USEC_PER_SEC;
> }
That fixed it, thanks.
Daniel
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