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authorPatrick McHardy <kaber@trash.net>2010-05-10 18:39:28 +0200
committerPatrick McHardy <kaber@trash.net>2010-05-10 18:39:28 +0200
commit1e4b1057121bc756b91758a434b504d2010f6088 (patch)
treeb016cf2c728289c7e36d9e4e488f30ab0bd0ae6e /net/mac80211/sta_info.c
parent3b254c54ec46eb022cb26ee6ab37fae23f5f7d6a (diff)
parent3ee943728fff536edaf8f59faa58aaa1aa7366e3 (diff)
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts: net/bridge/br_device.c net/bridge/br_forward.c Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/mac80211/sta_info.c')
-rw-r--r--net/mac80211/sta_info.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index ff0eb948917..730197591ab 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -575,7 +575,7 @@ static int sta_info_buffer_expired(struct sta_info *sta,
}
-static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
+static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
struct sta_info *sta)
{
unsigned long flags;
@@ -583,7 +583,7 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata;
if (skb_queue_empty(&sta->ps_tx_buf))
- return;
+ return false;
for (;;) {
spin_lock_irqsave(&sta->ps_tx_buf.lock, flags);
@@ -608,6 +608,8 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
if (skb_queue_empty(&sta->ps_tx_buf))
sta_info_clear_tim_bit(sta);
}
+
+ return true;
}
static int __must_check __sta_info_destroy(struct sta_info *sta)
@@ -755,15 +757,20 @@ static void sta_info_cleanup(unsigned long data)
{
struct ieee80211_local *local = (struct ieee80211_local *) data;
struct sta_info *sta;
+ bool timer_needed = false;
rcu_read_lock();
list_for_each_entry_rcu(sta, &local->sta_list, list)
- sta_info_cleanup_expire_buffered(local, sta);
+ if (sta_info_cleanup_expire_buffered(local, sta))
+ timer_needed = true;
rcu_read_unlock();
if (local->quiescing)
return;
+ if (!timer_needed)
+ return;
+
local->sta_cleanup.expires =
round_jiffies(jiffies + STA_INFO_CLEANUP_INTERVAL);
add_timer(&local->sta_cleanup);
@@ -848,8 +855,12 @@ struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
struct sta_info *sta, *nxt;
/* Just return a random station ... first in list ... */
- for_each_sta_info(hw_to_local(hw), addr, sta, nxt)
+ for_each_sta_info(hw_to_local(hw), addr, sta, nxt) {
+ if (!sta->uploaded)
+ return NULL;
return &sta->sta;
+ }
+
return NULL;
}
EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
@@ -857,14 +868,19 @@ EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
const u8 *addr)
{
- struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
if (!vif)
return NULL;
- sdata = vif_to_sdata(vif);
+ sta = sta_info_get_bss(vif_to_sdata(vif), addr);
+ if (!sta)
+ return NULL;
+
+ if (!sta->uploaded)
+ return NULL;
- return ieee80211_find_sta_by_hw(&sdata->local->hw, addr);
+ return &sta->sta;
}
EXPORT_SYMBOL(ieee80211_find_sta);