diff options
author | David S. Miller <davem@davemloft.net> | 2009-05-08 02:48:30 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-05-08 02:48:30 -0700 |
commit | 22f6dacdfcfdc792d068e9c41234808860498d04 (patch) | |
tree | 281a7d476f256ea3e2f800177ba685b169cc0540 /net/wireless/reg.c | |
parent | 928f308f556f4943e50c5064b546f47bce301f02 (diff) | |
parent | 9b05126baa146fc3f41360164141d4e1b3ea93c4 (diff) | |
download | linux-22f6dacdfcfdc792d068e9c41234808860498d04.tar.bz2 |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
include/net/tcp.h
Diffstat (limited to 'net/wireless/reg.c')
-rw-r--r-- | net/wireless/reg.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index f38cc39fa79e..139d13fdc94f 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -906,6 +906,7 @@ EXPORT_SYMBOL(freq_reg_info); int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth, const struct ieee80211_reg_rule **reg_rule) { + assert_cfg80211_lock(); return freq_reg_info_regd(wiphy, center_freq, bandwidth, reg_rule, NULL); } @@ -1134,7 +1135,8 @@ static bool reg_is_world_roaming(struct wiphy *wiphy) if (is_world_regdom(cfg80211_regdomain->alpha2) || (wiphy->regd && is_world_regdom(wiphy->regd->alpha2))) return true; - if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && + if (last_request && + last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && wiphy->custom_regulatory) return true; return false; @@ -1143,6 +1145,12 @@ static bool reg_is_world_roaming(struct wiphy *wiphy) /* Reap the advantages of previously found beacons */ static void reg_process_beacons(struct wiphy *wiphy) { + /* + * Means we are just firing up cfg80211, so no beacons would + * have been processed yet. + */ + if (!last_request) + return; if (!reg_is_world_roaming(wiphy)) return; wiphy_update_beacon_reg(wiphy); @@ -1177,6 +1185,8 @@ static void handle_channel_custom(struct wiphy *wiphy, struct ieee80211_supported_band *sband; struct ieee80211_channel *chan; + assert_cfg80211_lock(); + sband = wiphy->bands[band]; BUG_ON(chan_idx >= sband->n_channels); chan = &sband->channels[chan_idx]; @@ -1215,10 +1225,13 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, const struct ieee80211_regdomain *regd) { enum ieee80211_band band; + + mutex_lock(&cfg80211_mutex); for (band = 0; band < IEEE80211_NUM_BANDS; band++) { if (wiphy->bands[band]) handle_band_custom(wiphy, band, regd); } + mutex_unlock(&cfg80211_mutex); } EXPORT_SYMBOL(wiphy_apply_custom_regulatory); @@ -1424,7 +1437,7 @@ new_request: return call_crda(last_request->alpha2); } -/* This currently only processes user and driver regulatory hints */ +/* This processes *all* regulatory hints */ static void reg_process_hint(struct regulatory_request *reg_request) { int r = 0; |