Re: [RFC][PATCH] wireless: ath9k: Convert from timespecs to ktime_t

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Hi John,

One obvious thing ...

On Wed, 30 Jul 2014 17:01:05 -0700 John Stultz <john.stultz@xxxxxxxxxx> wrote:
>
> diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
> index fd0158f..d15f48e 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.c
> +++ b/drivers/net/wireless/ath/ath9k/hw.c
> @@ -1731,19 +1731,14 @@ fail:
>  	return -EINVAL;
>  }
>  
> -u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur)
> +u32 ath9k_hw_get_tsf_offset(ktime_t *last, ktime_t *cur)
>  {
> -	struct timespec ts;
>  	s64 usec;
>  
> -	if (!cur) {
> -		getrawmonotonic(&ts);
> -		cur = &ts;
> -	}
> -
> -	usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000;
> -	usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000;
> +	if (!cur)
> +		*cur = ktime_get_raw();

You are assigning through a NULL pointer here ...

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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