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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 14:50:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 14:50:18 -0800
commitd89b218b801fd93ea95880f1c7fde348cbcc51c5 (patch)
treecd3c34e1811f9b2bc10ecfb957bf26cbd04c677e /net/mac80211
parent80a186074e72e2cd61f6716d90cf32ce54981a56 (diff)
parentbec68ff1637ca00bb1585a03a7be8a13380084de (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits) bridge: ensure to unlock in error path in br_multicast_query(). drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip init messages sky2: Avoid rtnl_unlock without rtnl_lock ipv6: Send netlink notification when DAD fails drivers/net/tg3.c: change the field used with the TG3_FLAG_10_100_ONLY constant ipconfig: Handle devices which take some time to come up. mac80211: Fix memory leak in ieee80211_if_write() mac80211: Fix (dynamic) power save entry ipw2200: use kmalloc for large local variables ath5k: read eeprom IQ calibration values correctly for G mode ath5k: fix I/Q calibration (for real) ath5k: fix TSF reset ath5k: use fixed antenna for tx descriptors libipw: split ieee->networks into small pieces mac80211: Fix sta_mtx unlocking on insert STA failure path rt2x00: remove KSEG1ADDR define from rt2x00soc.h net: add ColdFire support to the smc91x driver asix: fix setting mac address for AX88772 ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}. net: Fix dev_mc_add() ...
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/debugfs_netdev.c10
-rw-r--r--net/mac80211/mlme.c32
-rw-r--r--net/mac80211/rate.h5
-rw-r--r--net/mac80211/sta_info.c1
4 files changed, 35 insertions, 13 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 9affe2cd185f..b4ddb2f83914 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -48,20 +48,24 @@ static ssize_t ieee80211_if_write(
ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
{
u8 *buf;
- ssize_t ret = -ENODEV;
+ ssize_t ret;
- buf = kzalloc(count, GFP_KERNEL);
+ buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
+ ret = -EFAULT;
if (copy_from_user(buf, userbuf, count))
- return -EFAULT;
+ goto freebuf;
+ ret = -ENODEV;
rtnl_lock();
if (sdata->dev->reg_state == NETREG_REGISTERED)
ret = (*write)(sdata, buf, count);
rtnl_unlock();
+freebuf:
+ kfree(buf);
return ret;
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a15eea0..be5f723d643a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -177,7 +177,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(sdata, bssid);
if (sta)
rate_control_rate_update(local, sband, sta,
- IEEE80211_RC_HT_CHANGED);
+ IEEE80211_RC_HT_CHANGED,
+ local->oper_channel_type);
rcu_read_unlock();
}
@@ -435,10 +436,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
ieee80211_send_nullfunc(local, sdata, 1);
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
- conf->flags |= IEEE80211_CONF_PS;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
- }
+ if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+ (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+ return;
+
+ conf->flags |= IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
}
@@ -557,7 +560,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
ieee80211_send_nullfunc(local, sdata, 1);
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+ if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+ (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1897,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
mutex_lock(&ifmgd->mtx);
if (ifmgd->associated) {
- mutex_unlock(&ifmgd->mtx);
- return -EALREADY;
+ if (!req->prev_bssid ||
+ memcmp(req->prev_bssid, ifmgd->associated->bssid,
+ ETH_ALEN)) {
+ /*
+ * We are already associated and the request was not a
+ * reassociation request from the current BSS, so
+ * reject it.
+ */
+ mutex_unlock(&ifmgd->mtx);
+ return -EALREADY;
+ }
+
+ /* Trying to reassociate - clear previous association state */
+ ieee80211_set_disassoc(sdata);
}
mutex_unlock(&ifmgd->mtx);
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index b6108bca96d4..065a96190e32 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -66,7 +66,8 @@ static inline void rate_control_rate_init(struct sta_info *sta)
static inline void rate_control_rate_update(struct ieee80211_local *local,
struct ieee80211_supported_band *sband,
- struct sta_info *sta, u32 changed)
+ struct sta_info *sta, u32 changed,
+ enum nl80211_channel_type oper_chan_type)
{
struct rate_control_ref *ref = local->rate_ctrl;
struct ieee80211_sta *ista = &sta->sta;
@@ -74,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
if (ref && ref->ops->rate_update)
ref->ops->rate_update(ref->priv, sband, ista,
- priv_sta, changed);
+ priv_sta, changed, oper_chan_type);
}
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 211c475f73c6..56422d894351 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -434,6 +434,7 @@ int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU)
/* check if STA exists already */
if (sta_info_get_bss(sdata, sta->sta.addr)) {
spin_unlock_irqrestore(&local->sta_lock, flags);
+ mutex_unlock(&local->sta_mtx);
rcu_read_lock();
err = -EEXIST;
goto out_free;