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-rw-r--r--net/wireless/reg.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4f877535e66..af805b0e157 100644
--- 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);
}