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authorMichal Kazior <michal.kazior@tieto.com>2014-01-29 07:56:20 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-02-04 21:58:10 +0100
commitcc901de1bcb0372583466075bfa62e3049dc6288 (patch)
treeae12805ea7a7e39e55e811fcc15c9b12a68fe078 /net/mac80211/ibss.c
parentmac80211: move csa_active setting in STA CSA (diff)
downloadlinux-cc901de1bcb0372583466075bfa62e3049dc6288.tar.xz
linux-cc901de1bcb0372583466075bfa62e3049dc6288.zip
mac80211: fix sdata->radar_required locking
radar_required setting wasn't protected by local->mtx in some places. This should prevent from scanning/radar detection/roc colliding. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ibss.c')
-rw-r--r--net/mac80211/ibss.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 82d3d14b03c5..f01d4683d473 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -303,6 +303,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->mtx);
return;
}
+ sdata->radar_required = radar_required;
mutex_unlock(&local->mtx);
memcpy(ifibss->bssid, bssid, ETH_ALEN);
@@ -318,7 +319,6 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
rcu_assign_pointer(ifibss->presp, presp);
mgmt = (void *)presp->head;
- sdata->radar_required = radar_required;
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.beacon_int = beacon_int;
sdata->vif.bss_conf.basic_rates = basic_rates;