Merge branch 'merge-fixes' into devel

6 files changed, 19 insertions, 13 deletions

diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index a3df09ee729f..8005dd16fb4e 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -150,9 +150,13 @@ config HDLC_FR
 
 config HDLC_PPP
 	tristate "Synchronous Point-to-Point Protocol (PPP) support"
-	depends on HDLC
+	depends on HDLC && BROKEN
 	help
 	  Generic HDLC driver supporting PPP over WAN connections.
+	  This module is currently broken and will cause a kernel panic
+	  when a device configured in PPP mode is activated.
+
+	  It will be replaced by new PPP implementation in Linux 2.6.26.
 
 	  If unsure, say N.
 
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 1d706eae3052..45ddfc9763cc 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -90,6 +90,7 @@
 #include <linux/ioport.h>
 #include <linux/netdevice.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <linux/device.h>
 
 #undef COSA_SLOW_IO	/* for testing purposes only */
@@ -127,7 +128,8 @@ struct channel_data {
 	int (*tx_done)(struct channel_data *channel, int size);
 
 	/* Character device parts */
-	struct semaphore rsem, wsem;
+	struct mutex rlock;
+	struct semaphore wsem;
 	char *rxdata;
 	int rxsize;
 	wait_queue_head_t txwaitq, rxwaitq;
@@ -807,7 +809,7 @@ static struct net_device_stats *cosa_net_stats(struct net_device *dev)
 
 static void chardev_channel_init(struct channel_data *chan)
 {
-	init_MUTEX(&chan->rsem);
+	mutex_init(&chan->rlock);
 	init_MUTEX(&chan->wsem);
 }
 
@@ -825,12 +827,12 @@ static ssize_t cosa_read(struct file *file,
 			cosa->name, cosa->firmware_status);
 		return -EPERM;
 	}
-	if (down_interruptible(&chan->rsem))
+	if (mutex_lock_interruptible(&chan->rlock))
 		return -ERESTARTSYS;
 	
 	if ((chan->rxdata = kmalloc(COSA_MTU, GFP_DMA|GFP_KERNEL)) == NULL) {
 		printk(KERN_INFO "%s: cosa_read() - OOM\n", cosa->name);
-		up(&chan->rsem);
+		mutex_unlock(&chan->rlock);
 		return -ENOMEM;
 	}
 
@@ -848,7 +850,7 @@ static ssize_t cosa_read(struct file *file,
 			remove_wait_queue(&chan->rxwaitq, &wait);
 			current->state = TASK_RUNNING;
 			spin_unlock_irqrestore(&cosa->lock, flags);
-			up(&chan->rsem);
+			mutex_unlock(&chan->rlock);
 			return -ERESTARTSYS;
 		}
 	}
@@ -857,7 +859,7 @@ static ssize_t cosa_read(struct file *file,
 	kbuf = chan->rxdata;
 	count = chan->rxsize;
 	spin_unlock_irqrestore(&cosa->lock, flags);
-	up(&chan->rsem);
+	mutex_unlock(&chan->rlock);
 
 	if (copy_to_user(buf, kbuf, count)) {
 		kfree(kbuf);
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 96b232446c0b..b14242768fad 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -517,7 +517,7 @@ static int dlci_dev_event(struct notifier_block *unused,
 {
 	struct net_device *dev = (struct net_device *) ptr;
 
-	if (dev->nd_net != &init_net)
+	if (dev_net(dev) != &init_net)
 		return NOTIFY_DONE;
 
 	if (event == NETDEV_UNREGISTER) {
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 39951d0c34d6..9a83c9d5b8cf 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -68,7 +68,7 @@ static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev,
 {
 	struct hdlc_device *hdlc = dev_to_hdlc(dev);
 
-	if (dev->nd_net != &init_net) {
+	if (dev_net(dev) != &init_net) {
 		kfree_skb(skb);
 		return 0;
 	}
@@ -105,7 +105,7 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event,
 	unsigned long flags;
 	int on;
  
-	if (dev->nd_net != &init_net)
+	if (dev_net(dev) != &init_net)
 		return NOTIFY_DONE;
 
 	if (dev->get_stats != hdlc_get_stats)
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 824df3b5ea49..b5860b97a93e 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -91,7 +91,7 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
 	int len, err;
 	struct lapbethdev *lapbeth;
 
-	if (dev->nd_net != &init_net)
+	if (dev_net(dev) != &init_net)
 		goto drop;
 
 	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -393,7 +393,7 @@ static int lapbeth_device_event(struct notifier_block *this,
 	struct lapbethdev *lapbeth;
 	struct net_device *dev = ptr;
 
-	if (dev->nd_net != &init_net)
+	if (dev_net(dev) != &init_net)
 		return NOTIFY_DONE;
 
 	if (!dev_is_ethdev(dev))
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index 61e24b7a45a3..29b4b94e4947 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -1444,7 +1444,7 @@ static void sppp_print_bytes (u_char *p, u16 len)
 
 static int sppp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev)
 {
-	if (dev->nd_net != &init_net) {
+	if (dev_net(dev) != &init_net) {
 		kfree_skb(skb);
 		return 0;
 	}