cfg80211: make handle_band() and handle_channel() wiphy specific

This allows us to make more wiphy specific judgements when
handling the channels later on.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4f87753..af805b0 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -778,13 +778,22 @@ static int freq_reg_info(u32 center_freq, u32 *bandwidth,
        return !max_bandwidth;
 }
 
-static void handle_channel(struct ieee80211_channel *chan)
+static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
+                          unsigned int chan_idx)
 {
        int r;
-       u32 flags = chan->orig_flags;
+       u32 flags;
        u32 max_bandwidth = 0;
        const struct ieee80211_reg_rule *reg_rule = NULL;
        const struct ieee80211_power_rule *power_rule = NULL;
+       struct ieee80211_supported_band *sband;
+       struct ieee80211_channel *chan;
+
+       sband = wiphy->bands[band];
+       BUG_ON(chan_idx >= sband->n_channels);
+       chan = &sband->channels[chan_idx];
+
+       flags = chan->orig_flags;
 
        r = freq_reg_info(MHZ_TO_KHZ(chan->center_freq),
                &max_bandwidth, &reg_rule);
@@ -808,12 +817,16 @@ static void handle_channel(struct ieee80211_channel *chan)
                chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
 }
 
-static void handle_band(struct ieee80211_supported_band *sband)
+static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
 {
-       int i;
+       unsigned int i;
+       struct ieee80211_supported_band *sband;
+
+       BUG_ON(!wiphy->bands[band]);
+       sband = wiphy->bands[band];
 
        for (i = 0; i < sband->n_channels; i++)
-               handle_channel(&sband->channels[i]);
+               handle_channel(wiphy, band, i);
 }
 
 static bool ignore_reg_update(struct wiphy *wiphy, enum reg_set_by setby)
@@ -840,7 +853,7 @@ void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby)
        enum ieee80211_band band;
        for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
                if (wiphy->bands[band])
-                       handle_band(wiphy->bands[band]);
+                       handle_band(wiphy, band);
                if (wiphy->reg_notifier)
                        wiphy->reg_notifier(wiphy, setby);
        }