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SubjectRe: [PATCH 3/4] cfg80211: Join and Leave handling for OCB mode
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On Thu, 2014-09-11 at 16:30 +0200, Rostislav Lisovy wrote:
> Signed-off-by: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>

A bit more commit log would be good :)

> +++ b/include/net/cfg80211.h
> @@ -375,6 +375,8 @@ static inline enum nl80211_channel_type
> cfg80211_get_chandef_type(const struct cfg80211_chan_def *chandef)
> {
> switch (chandef->width) {
> + case NL80211_CHAN_WIDTH_5:
> + case NL80211_CHAN_WIDTH_10:
> case NL80211_CHAN_WIDTH_20_NOHT:
> return NL80211_CHAN_NO_HT;

This is wrong, the old nl80211_channel_type simply cannot express a 5 or
10 MHz width - so this case should WARN() or something and really never
ever be called here.

Also, it doesn't really belong into this patch?

> +struct ocb_setup {
> + struct cfg80211_chan_def chandef;
> +};

kernel-doc would be appreciated.

> @@ -892,6 +893,13 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
> *radar_detect |= BIT(wdev->chandef.width);
> }
> return;
> + case NL80211_IFTYPE_OCB:
> + if (wdev->chandef.chan) {
> + *chan = wdev->chandef.chan;
> + *chanmode = CHAN_MODE_EXCLUSIVE;
> + return;
> + }

same as in the mac80211 patch - I don't see why this should be
exclusive.

> + WARN_ON(!setup->chandef.chan);

if (WARN_ON(...))
return -EINVAL;

would be better

johannes



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