From: Johannes Berg Date: Fri, 10 Oct 2008 23:46:25 +0000 (+0200) Subject: iwl3945: fix station stuff in RC algorithm X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=525181891fb5ed323b6ba0f141c422f1395acfb9;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git iwl3945: fix station stuff in RC algorithm Probably bugs I added. Signed-off-by: Johannes Berg Acked-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index bb91353c443e..c25daec4f93d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -826,13 +826,12 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) rcu_read_lock(); sta = ieee80211_find_sta(hw, priv->stations[sta_id].sta.sta.addr); - psta = (void *) sta->drv_priv; - if (!sta || !psta) { - IWL_DEBUG_RATE("leave - no private rate data!\n"); + if (!sta) { rcu_read_unlock(); return; } + psta = (void *) sta->drv_priv; rs_sta = psta->rs_sta; spin_lock_irqsave(&rs_sta->lock, flags); @@ -856,7 +855,6 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) break; } - rcu_read_unlock(); spin_unlock_irqrestore(&rs_sta->lock, flags); rssi = priv->last_rx_rssi; @@ -870,6 +868,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) IWL_DEBUG_RATE("leave: rssi %d assign rate index: " "%d (plcp 0x%x)\n", rssi, rs_sta->start_rate, iwl3945_rates[rs_sta->start_rate].plcp); + rcu_read_unlock(); } int iwl3945_rate_control_register(void)