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authorDavid S. Miller <davem@davemloft.net>2008-04-23 19:44:58 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-23 19:44:58 -0700
commit6440be177f56e0b52dd81df82b78875d9a07d5f9 (patch)
tree52d8f98694a7b1e2bee2595e3d9613f6d75c7385 /net
parent49186b4a083655a4ebf54e94baf0736256b01b47 (diff)
parent099714934d80100624829f1e2961b9dccaef3280 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c28
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/wme.c2
3 files changed, 27 insertions, 5 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6b75cb6c630..a5e5c31c23a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2248,10 +2248,13 @@ static void ieee80211_rx_bss_put(struct net_device *dev,
struct ieee80211_sta_bss *bss)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- if (!atomic_dec_and_test(&bss->users))
+
+ local_bh_disable();
+ if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
+ local_bh_enable();
return;
+ }
- spin_lock_bh(&local->sta_bss_lock);
__ieee80211_rx_bss_hash_del(dev, bss);
list_del(&bss->list);
spin_unlock_bh(&local->sta_bss_lock);
@@ -2709,7 +2712,26 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
bss->wmm_ie_len = elems.wmm_param_len + 2;
} else
bss->wmm_ie_len = 0;
- } else if (!elems.wmm_param && bss->wmm_ie) {
+ } else if (elems.wmm_info &&
+ (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_info_len ||
+ memcmp(bss->wmm_ie, elems.wmm_info, elems.wmm_info_len))) {
+ /* As for certain AP's Fifth bit is not set in WMM IE in
+ * beacon frames.So while parsing the beacon frame the
+ * wmm_info structure is used instead of wmm_param.
+ * wmm_info structure was never used to set bss->wmm_ie.
+ * This code fixes this problem by copying the WME
+ * information from wmm_info to bss->wmm_ie and enabling
+ * n-band association.
+ */
+ kfree(bss->wmm_ie);
+ bss->wmm_ie = kmalloc(elems.wmm_info_len + 2, GFP_ATOMIC);
+ if (bss->wmm_ie) {
+ memcpy(bss->wmm_ie, elems.wmm_info - 2,
+ elems.wmm_info_len + 2);
+ bss->wmm_ie_len = elems.wmm_info_len + 2;
+ } else
+ bss->wmm_ie_len = 0;
+ } else if (!elems.wmm_param && !elems.wmm_info && bss->wmm_ie) {
kfree(bss->wmm_ie);
bss->wmm_ie = NULL;
bss->wmm_ie_len = 0;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 52e4554fdde..02f436a8606 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2170,7 +2170,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_supported_band *sband;
if (status->band < 0 ||
- status->band > IEEE80211_NUM_BANDS) {
+ status->band >= IEEE80211_NUM_BANDS) {
WARN_ON(1);
return;
}
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 4e94e4026e7..64faa3dc488 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
struct ieee80211_sched_data *q = qdisc_priv(root_qd);
struct Qdisc *qdisc = q->queues[queue];
struct sk_buff *skb = NULL;
- u32 len = qdisc->q.qlen;
+ u32 len;
if (!qdisc || !qdisc->dequeue)
return;