5 files changed, 19 insertions, 30 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 8701034..de4e804 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1157,8 +1157,9 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 }
 
 static int dma_tx_fragment(struct b43_dmaring *ring,
-			   struct sk_buff *skb)
+			   struct sk_buff **in_skb)
 {
+	struct sk_buff *skb = *in_skb;
 	const struct b43_dma_ops *ops = ring->ops;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	u8 *header;
@@ -1224,8 +1225,14 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 		}
 
 		memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
+		memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
+		bounce_skb->dev = skb->dev;
+		skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
+		info = IEEE80211_SKB_CB(bounce_skb);
+
 		dev_kfree_skb_any(skb);
 		skb = bounce_skb;
+		*in_skb = bounce_skb;
 		meta->skb = skb;
 		meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
 		if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
@@ -1355,7 +1362,11 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	 * static, so we don't need to store it per frame. */
 	ring->queue_prio = skb_get_queue_mapping(skb);
 
-	err = dma_tx_fragment(ring, skb);
+	/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
+	 * into the skb data or cb now. */
+	hdr = NULL;
+	info = NULL;
+	err = dma_tx_fragment(ring, &skb);
 	if (unlikely(err == -ENOKEY)) {
 		/* Drop this packet, as we don't have the encryption key
 		 * anymore and must not transmit it unencrypted. */
diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h
index 4c56187..32b66d5 100644
--- a/drivers/net/wireless/b43/leds.h
+++ b/drivers/net/wireless/b43/leds.h
@@ -1,6 +1,7 @@
 #ifndef B43_LEDS_H_
 #define B43_LEDS_H_
 
+struct b43_wl;
 struct b43_wldev;
 
 #ifdef CONFIG_B43_LEDS
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index df6b26a..098dda1 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4501,7 +4501,6 @@ static void b43_op_stop(struct ieee80211_hw *hw)
 
 	cancel_work_sync(&(wl->beacon_update_trigger));
 
-	wiphy_rfkill_stop_polling(hw->wiphy);
 	mutex_lock(&wl->mutex);
 	if (b43_status(dev) >= B43_STAT_STARTED) {
 		dev = b43_wireless_core_stop(dev);
@@ -4522,9 +4521,8 @@ static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 
-	mutex_lock(&wl->mutex);
+	/* FIXME: add locking */
 	b43_update_templates(wl);
-	mutex_unlock(&wl->mutex);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c
index 6c3a749..984174b 100644
--- a/drivers/net/wireless/b43/pcmcia.c
+++ b/drivers/net/wireless/b43/pcmcia.c
@@ -65,35 +65,15 @@ static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
 	struct ssb_bus *ssb;
 	win_req_t win;
 	memreq_t mem;
-	tuple_t tuple;
-	cisparse_t parse;
 	int err = -ENOMEM;
 	int res = 0;
-	unsigned char buf[64];
 
 	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
 	if (!ssb)
 		goto out_error;
 
 	err = -ENODEV;
-	tuple.DesiredTuple = CISTPL_CONFIG;
-	tuple.Attributes = 0;
-	tuple.TupleData = buf;
-	tuple.TupleDataMax = sizeof(buf);
-	tuple.TupleOffset = 0;
 
-	res = pcmcia_get_first_tuple(dev, &tuple);
-	if (res != 0)
-		goto err_kfree_ssb;
-	res = pcmcia_get_tuple_data(dev, &tuple);
-	if (res != 0)
-		goto err_kfree_ssb;
-	res = pcmcia_parse_tuple(&tuple, &parse);
-	if (res != 0)
-		goto err_kfree_ssb;
-
-	dev->conf.ConfigBase = parse.config.base;
-	dev->conf.Present = parse.config.rmask[0];
 	dev->conf.Attributes = CONF_ENABLE_IRQ;
 	dev->conf.IntType = INT_MEMORY_AND_IO;
 
@@ -107,20 +87,18 @@ static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
 	win.Base = 0;
 	win.Size = SSB_CORE_SIZE;
 	win.AccessSpeed = 250;
-	res = pcmcia_request_window(&dev, &win, &dev->win);
+	res = pcmcia_request_window(dev, &win, &dev->win);
 	if (res != 0)
 		goto err_kfree_ssb;
 
 	mem.CardOffset = 0;
 	mem.Page = 0;
-	res = pcmcia_map_mem_page(dev->win, &mem);
+	res = pcmcia_map_mem_page(dev, dev->win, &mem);
 	if (res != 0)
 		goto err_disable;
 
 	dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
-	dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	dev->irq.Handler = NULL; /* The handler is registered later. */
-	dev->irq.Instance = NULL;
 	res = pcmcia_request_irq(dev, &dev->irq);
 	if (res != 0)
 		goto err_disable;
diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index 7a3218c..ffdce6f 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -33,7 +33,8 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 		      & B43_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
 	} else {
-		if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
+		if (b43_status(dev) >= B43_STAT_STARTED &&
+		    b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
 		    & B43_MMIO_RADIO_HWENABLED_LO_MASK)
 			return 1;
 	}