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SubjectRe: [PATCH] micrel: Use time_before_eq()
On Thu, 22 May 2014, Manuel Schölling wrote:

> To be future-proof and for better readability the time comparisons are modified
> to use time_before_eq() instead of plain, error-prone math.

I had the impression that the real reason for these functions was that
they were somehow sensitive to the possibility of overflow of jiffies?

julia

> Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
> ---
> drivers/net/ethernet/micrel/ksz884x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
> index 14ac0e2..90fa5f3 100644
> --- a/drivers/net/ethernet/micrel/ksz884x.c
> +++ b/drivers/net/ethernet/micrel/ksz884x.c
> @@ -4930,7 +4930,7 @@ static void netdev_tx_timeout(struct net_device *dev)
> * Only reset the hardware if time between calls is long
> * enough.
> */
> - if (jiffies - last_reset <= dev->watchdog_timeo)
> + if (time_before_eq(jiffies, last_reset + dev->watchdog_timeo))
> hw_priv = NULL;
> }
>
> --
> 1.7.10.4
>
>
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