Re: [PATCH 1/6] cfg80211: a reg rule is invalid if freq diff is 0

["Johannes Berg" <johannes@sipsolutions.net>]

Luis R. Rodriguez wrote:
> A regulatory rule is invalid when the frequency difference
> between the end of the frequency range and the start is 0.
>
> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
> ---
>  net/wireless/reg.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/wireless/reg.c b/net/wireless/reg.c
> index 9dff716..ff706f9 100644
> --- a/net/wireless/reg.c
> +++ b/net/wireless/reg.c
> @@ -321,7 +321,7 @@ static bool is_valid_reg_rule(const struct
> ieee80211_reg_rule *rule)
>
>  	freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz;
>
> -	if (freq_range->max_bandwidth_khz > freq_diff)
> +	if (freq_diff == 0 || freq_range->max_bandwidth_khz > freq_diff)

Might want to make that <= 0 just in case?

johannes