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authorReinette Chatre <reinette.chatre@intel.com>2010-06-21 14:23:47 -0700
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2010-07-02 10:44:19 -0700
commite4c064728ca358622918fa69ab2bb05f5a2090a8 (patch)
treed1d1f87a660957399ac2c270dea6e5cbb1fb6491 /drivers/net
parent062bee448bd539580ef9f64efe50fdfe04eeb103 (diff)
iwlwifi: remove key information during device restart
When there is a firmware error or the firmware is reloaded for some other reason we currently clear all station information, including keys associated with them. A problem is that we do not clear some other information regarding keys that are not stored in the station structs. The consequence of this is that when the device is reconfigured after the firmware reload we can, among other things, run out of key indices. This fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16232 http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2221 Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h
index c2a453a1a99..dc43ebd1f1f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.h
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.h
@@ -97,6 +97,17 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
spin_lock_irqsave(&priv->sta_lock, flags);
memset(priv->stations, 0, sizeof(priv->stations));
priv->num_stations = 0;
+
+ /*
+ * Remove all key information that is not stored as part of station
+ * information since mac80211 may not have had a
+ * chance to remove all the keys. When device is reconfigured by
+ * mac80211 after an error all keys will be reconfigured.
+ */
+ priv->ucode_key_table = 0;
+ priv->key_mapping_key = 0;
+ memset(priv->wep_keys, 0, sizeof(priv->wep_keys));
+
spin_unlock_irqrestore(&priv->sta_lock, flags);
}