Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

2 files changed, 26 insertions, 44 deletions

diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 3100a8940af..2912665fc58 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -228,7 +228,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct br2684_dev *brdev = BRPRIV(dev);
 	struct br2684_vcc *brvcc;
 
-	pr_debug("br2684_start_xmit, skb->dst=%p\n", skb->dst);
+	pr_debug("br2684_start_xmit, skb_dst(skb)=%p\n", skb_dst(skb));
 	read_lock(&devs_lock);
 	brvcc = pick_outgoing_vcc(skb, brdev);
 	if (brvcc == NULL) {
@@ -445,9 +445,10 @@ free_skb:
  */
 static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
 {
+	struct sk_buff_head queue;
 	int err;
 	struct br2684_vcc *brvcc;
-	struct sk_buff *skb;
+	struct sk_buff *skb, *tmp;
 	struct sk_buff_head *rq;
 	struct br2684_dev *brdev;
 	struct net_device *net_dev;
@@ -505,29 +506,20 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
 	barrier();
 	atmvcc->push = br2684_push;
 
+	__skb_queue_head_init(&queue);
 	rq = &sk_atm(atmvcc)->sk_receive_queue;
 
 	spin_lock_irqsave(&rq->lock, flags);
-	if (skb_queue_empty(rq)) {
-		skb = NULL;
-	} else {
-		/* NULL terminate the list.  */
-		rq->prev->next = NULL;
-		skb = rq->next;
-	}
-	rq->prev = rq->next = (struct sk_buff *)rq;
-	rq->qlen = 0;
+	skb_queue_splice_init(rq, &queue);
 	spin_unlock_irqrestore(&rq->lock, flags);
 
-	while (skb) {
-		struct sk_buff *next = skb->next;
+	skb_queue_walk_safe(&queue, skb, tmp) {
+		struct net_device *dev = skb->dev;
 
-		skb->next = skb->prev = NULL;
-		br2684_push(atmvcc, skb);
-		skb->dev->stats.rx_bytes -= skb->len;
-		skb->dev->stats.rx_packets--;
+		dev->stats.rx_bytes -= skb->len;
+		dev->stats.rx_packets--;
 
-		skb = next;
+		br2684_push(atmvcc, skb);
 	}
 	__module_get(THIS_MODULE);
 	return 0;
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 3dc0a3a42a5..e65a3b1477f 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -369,16 +369,16 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	unsigned long flags;
 
 	pr_debug("clip_start_xmit (skb %p)\n", skb);
-	if (!skb->dst) {
-		printk(KERN_ERR "clip_start_xmit: skb->dst == NULL\n");
+	if (!skb_dst(skb)) {
+		printk(KERN_ERR "clip_start_xmit: skb_dst(skb) == NULL\n");
 		dev_kfree_skb(skb);
 		dev->stats.tx_dropped++;
 		return 0;
 	}
-	if (!skb->dst->neighbour) {
+	if (!skb_dst(skb)->neighbour) {
 #if 0
-		skb->dst->neighbour = clip_find_neighbour(skb->dst, 1);
-		if (!skb->dst->neighbour) {
+		skb_dst(skb)->neighbour = clip_find_neighbour(skb_dst(skb), 1);
+		if (!skb_dst(skb)->neighbour) {
 			dev_kfree_skb(skb);	/* lost that one */
 			dev->stats.tx_dropped++;
 			return 0;
@@ -389,7 +389,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		dev->stats.tx_dropped++;
 		return 0;
 	}
-	entry = NEIGH2ENTRY(skb->dst->neighbour);
+	entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
 	if (!entry->vccs) {
 		if (time_after(jiffies, entry->expires)) {
 			/* should be resolved */
@@ -406,7 +406,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 	pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
 	ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
-	pr_debug("using neighbour %p, vcc %p\n", skb->dst->neighbour, vcc);
+	pr_debug("using neighbour %p, vcc %p\n", skb_dst(skb)->neighbour, vcc);
 	if (entry->vccs->encap) {
 		void *here;
 
@@ -445,9 +445,9 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 static int clip_mkip(struct atm_vcc *vcc, int timeout)
 {
+	struct sk_buff_head *rq, queue;
 	struct clip_vcc *clip_vcc;
-	struct sk_buff *skb;
-	struct sk_buff_head *rq;
+	struct sk_buff *skb, *tmp;
 	unsigned long flags;
 
 	if (!vcc->push)
@@ -469,39 +469,28 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
 	vcc->push = clip_push;
 	vcc->pop = clip_pop;
 
+	__skb_queue_head_init(&queue);
 	rq = &sk_atm(vcc)->sk_receive_queue;
 
 	spin_lock_irqsave(&rq->lock, flags);
-	if (skb_queue_empty(rq)) {
-		skb = NULL;
-	} else {
-		/* NULL terminate the list.  */
-		rq->prev->next = NULL;
-		skb = rq->next;
-	}
-	rq->prev = rq->next = (struct sk_buff *)rq;
-	rq->qlen = 0;
+	skb_queue_splice_init(rq, &queue);
 	spin_unlock_irqrestore(&rq->lock, flags);
 
 	/* re-process everything received between connection setup and MKIP */
-	while (skb) {
-		struct sk_buff *next = skb->next;
-
-		skb->next = skb->prev = NULL;
+	skb_queue_walk_safe(&queue, skb, tmp) {
 		if (!clip_devs) {
 			atm_return(vcc, skb->truesize);
 			kfree_skb(skb);
 		} else {
+			struct net_device *dev = skb->dev;
 			unsigned int len = skb->len;
 
 			skb_get(skb);
 			clip_push(vcc, skb);
-			skb->dev->stats.rx_packets--;
-			skb->dev->stats.rx_bytes -= len;
+			dev->stats.rx_packets--;
+			dev->stats.rx_bytes -= len;
 			kfree_skb(skb);
 		}
-
-		skb = next;
 	}
 	return 0;
 }
@@ -568,6 +557,7 @@ static void clip_setup(struct net_device *dev)
 	/* without any more elaborate queuing. 100 is a reasonable */
 	/* compromise between decent burst-tolerance and protection */
 	/* against memory hogs. */
+	dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
 }
 
 static int clip_create(int number)