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iwlwifi: mvm: fix TKIP key updating 

When a TKIP key is updated with a station pointer that is NULL it is
a GTK, so it should use the AP's station ID. Fix the code to do that.

Signed-off-by: Beni Lev <beni.lev@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Beni Lev 2013-02-06 17:22:18 +02:00 committed by Johannes Berg
parent 8115efbdc8
commit c3eb536aab
1 changed files with 14 additions and 2 deletions
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16
drivers/net/wireless/iwlwifi/mvm/sta.c
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@ -1155,14 +1155,26 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
struct ieee80211_sta *sta, u32 iv32,
u16 *phase1key)
{
struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
struct iwl_mvm_sta *mvm_sta;
u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta);
if (sta_id == IWL_INVALID_STATION)
if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION))
return;
rcu_read_lock();
if (!sta) {
sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
if (WARN_ON(IS_ERR_OR_NULL(sta))) {
rcu_read_unlock();
return;
}
}
mvm_sta = (void *)sta->drv_priv;
iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, sta_id,
iv32, phase1key, CMD_ASYNC);
rcu_read_unlock();
}
void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm, int sta_id)