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authorDavid S. Miller <davem@davemloft.net>2008-08-30 08:06:00 +0200
committerDavid S. Miller <davem@davemloft.net>2008-08-30 08:06:00 +0200
commitb171e19ed08c8ba832e5325fadf1be493f56665d (patch)
tree017208f9fcc4ef2cc3fe5cc3f262d2455eda9f61 /drivers/net/wireless/ath5k
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil... (diff)
parentnet: Unbreak userspace usage of linux/mroute.h (diff)
downloadlinux-b171e19ed08c8ba832e5325fadf1be493f56665d.tar.xz
linux-b171e19ed08c8ba832e5325fadf1be493f56665d.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/mac80211/mlme.c
Diffstat (limited to 'drivers/net/wireless/ath5k')
-rw-r--r--drivers/net/wireless/ath5k/base.c23
-rw-r--r--drivers/net/wireless/ath5k/base.h1
2 files changed, 18 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index cd598c0d8d6d..bcec74e839e9 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -290,7 +290,7 @@ static inline void ath5k_txbuf_free(struct ath5k_softc *sc,
return;
pci_unmap_single(sc->pdev, bf->skbaddr, bf->skb->len,
PCI_DMA_TODEVICE);
- dev_kfree_skb(bf->skb);
+ dev_kfree_skb_any(bf->skb);
bf->skb = NULL;
}
@@ -505,6 +505,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
mutex_init(&sc->lock);
spin_lock_init(&sc->rxbuflock);
spin_lock_init(&sc->txbuflock);
+ spin_lock_init(&sc->block);
/* Set private data */
pci_set_drvdata(pdev, hw);
@@ -2123,8 +2124,11 @@ ath5k_beacon_config(struct ath5k_softc *sc)
sc->imask |= AR5K_INT_SWBA;
- if (ath5k_hw_hasveol(ah))
+ if (ath5k_hw_hasveol(ah)) {
+ spin_lock(&sc->block);
ath5k_beacon_send(sc);
+ spin_unlock(&sc->block);
+ }
}
/* TODO else AP */
@@ -2324,7 +2328,9 @@ ath5k_intr(int irq, void *dev_id)
TSF_TO_TU(tsf),
(unsigned long long) tsf);
} else {
+ spin_lock(&sc->block);
ath5k_beacon_send(sc);
+ spin_unlock(&sc->block);
}
}
if (status & AR5K_INT_RXEOL) {
@@ -2685,6 +2691,11 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
ret = -EOPNOTSUPP;
goto end;
}
+
+ /* Set to a reasonable value. Note that this will
+ * be set to mac80211's value at ath5k_config(). */
+ sc->bintval = 1000;
+
ret = 0;
end:
mutex_unlock(&sc->lock);
@@ -2729,9 +2740,6 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ath5k_hw *ah = sc->ah;
int ret;
- /* Set to a reasonable value. Note that this will
- * be set to mac80211's value at ath5k_config(). */
- sc->bintval = 1000;
mutex_lock(&sc->lock);
if (sc->vif != vif) {
ret = -EIO;
@@ -2991,6 +2999,7 @@ static int
ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ath5k_softc *sc = hw->priv;
+ unsigned long flags;
int ret;
ath5k_debug_dump_skb(sc, skb, "BC ", 1);
@@ -3000,12 +3009,14 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
goto end;
}
+ spin_lock_irqsave(&sc->block, flags);
ath5k_txbuf_free(sc, sc->bbuf);
sc->bbuf->skb = skb;
ret = ath5k_beacon_setup(sc, sc->bbuf);
if (ret)
sc->bbuf->skb = NULL;
- else {
+ spin_unlock_irqrestore(&sc->block, flags);
+ if (!ret) {
ath5k_beacon_config(sc);
mmiowb();
}
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h
index 248e32eb6cb3..1549b63d6138 100644
--- a/drivers/net/wireless/ath5k/base.h
+++ b/drivers/net/wireless/ath5k/base.h
@@ -168,6 +168,7 @@ struct ath5k_softc {
struct tasklet_struct txtq; /* tx intr tasklet */
struct ath5k_led tx_led; /* tx led */
+ spinlock_t block; /* protects beacon */
struct ath5k_buf *bbuf; /* beacon buffer */
unsigned int bhalq, /* SW q for outgoing beacons */
bmisscount, /* missed beacon transmits */