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Re: [RFC 03/21] mac80211: add max channel calculation utility function

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hi,

On Tue, Mar 18, 2014 at 3:53 PM, Michal Kazior <michal.kazior@xxxxxxxxx> wrote:
> The utility function has no uses yet. It is aimed
> at future chanctx reservation management and
> channel switching.
>
> Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
> ---
[...]

> +int ieee80211_max_num_channels(struct ieee80211_local *local)
> +{
> +       struct ieee80211_sub_if_data *sdata;
> +       int num[NUM_NL80211_IFTYPES] = {};
> +       struct ieee80211_chanctx *ctx;
> +       int num_different_channels = 0;
> +       u8 radar_detect = 0;
> +       u32 max_num_different_channels = 1;
> +       int err;
> +
> +       lockdep_assert_held(&local->chanctx_mtx);
> +
> +       list_for_each_entry(ctx, &local->chanctx_list, list) {
> +               num_different_channels++;
> +
this doesn't seem correct - i think we can have multiple channel
contexts with the same channel (e.g. due to exclusive mode)?

Eliad.
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