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regulatory: remove locking from wiphy_apply_custom_regulatory 

wiphy_apply_custom_regulatory() doesn't have to hold
the regulatory mutex as it only modifies the given
wiphy with the given regulatory domain, it doesn't
access any global regulatory data.

Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-12-04 00:19:24 +01:00
parent e8da2bb4fe
commit 540f6f2cc5
1 changed files with 0 additions and 4 deletions
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4
net/wireless/reg.c
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@ -1225,8 +1225,6 @@ static void handle_channel_custom(struct wiphy *wiphy,
const struct ieee80211_power_rule *power_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
assert_reg_lock();
r = freq_reg_info_regd(wiphy, MHZ_TO_KHZ(chan->center_freq),
desired_bw_khz, &reg_rule, regd);
@ -1271,14 +1269,12 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
enum ieee80211_band band;
unsigned int bands_set = 0;
mutex_lock(&reg_mutex);
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (!wiphy->bands[band])
continue;
handle_band_custom(wiphy, wiphy->bands[band], regd);
bands_set++;
}
mutex_unlock(&reg_mutex);
/*
* no point in calling this if it won't have any effect