X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Fcore%2Fdev.c;h=cc105ff67db5db56e01307071699c0828a0932cc;hb=30d97d35851f40fd1c108d1b8904aca3c38d0126;hp=d16dcab49c605138c37b6200e1306b721c852e29;hpb=9d5010db7ecfd6ec00119d3b185c4c0cd3265167;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/net/core/dev.c b/net/core/dev.c
index d16dcab..cc105ff 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1206,9 +1206,9 @@ int unregister_netdevice_notifier(struct notifier_block *nb)
  *	are as for raw_notifier_call_chain().
  */
 
-int call_netdevice_notifiers(unsigned long val, void *v)
+int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
 {
-	return raw_notifier_call_chain(&netdev_chain, val, v);
+	return raw_notifier_call_chain(&netdev_chain, val, dev);
 }
 
 /* When > 0 there are consumers of rx skb time stamps */
@@ -1574,18 +1574,6 @@ out_kfree_skb:
 	return 0;
 }
 
-#define HARD_TX_LOCK(dev, cpu) {			\
-	if ((dev->features & NETIF_F_LLTX) == 0) {	\
-		netif_tx_lock(dev);			\
-	}						\
-}
-
-#define HARD_TX_UNLOCK(dev) {				\
-	if ((dev->features & NETIF_F_LLTX) == 0) {	\
-		netif_tx_unlock(dev);			\
-	}						\
-}
-
 /**
  *	dev_queue_xmit - transmit a buffer
  *	@skb: buffer to transmit
@@ -2464,7 +2452,11 @@ static int dev_seq_open(struct inode *inode, struct file *file)
 	res =  seq_open(file, &dev_seq_ops);
 	if (!res) {
 		seq = file->private_data;
-		seq->private = get_net(PROC_NET(inode));
+		seq->private = get_proc_net(inode);
+		if (!seq->private) {
+			seq_release(inode, file);
+			res = -ENXIO;
+		}
 	}
 	return res;
 }
@@ -4276,32 +4268,39 @@ int netdev_compute_features(unsigned long all, unsigned long one)
 }
 EXPORT_SYMBOL(netdev_compute_features);
 
+static struct hlist_head *netdev_create_hash(void)
+{
+	int i;
+	struct hlist_head *hash;
+
+	hash = kmalloc(sizeof(*hash) * NETDEV_HASHENTRIES, GFP_KERNEL);
+	if (hash != NULL)
+		for (i = 0; i < NETDEV_HASHENTRIES; i++)
+			INIT_HLIST_HEAD(&hash[i]);
+
+	return hash;
+}
+
 /* Initialize per network namespace state */
 static int netdev_init(struct net *net)
 {
-	int i;
 	INIT_LIST_HEAD(&net->dev_base_head);
 	rwlock_init(&dev_base_lock);
 
-	net->dev_name_head = kmalloc(
-		sizeof(*net->dev_name_head)*NETDEV_HASHENTRIES, GFP_KERNEL);
-	if (!net->dev_name_head)
-		return -ENOMEM;
+	net->dev_name_head = netdev_create_hash();
+	if (net->dev_name_head == NULL)
+		goto err_name;
 
-	net->dev_index_head = kmalloc(
-		sizeof(*net->dev_index_head)*NETDEV_HASHENTRIES, GFP_KERNEL);
-	if (!net->dev_index_head) {
-		kfree(net->dev_name_head);
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < NETDEV_HASHENTRIES; i++)
-		INIT_HLIST_HEAD(&net->dev_name_head[i]);
-
-	for (i = 0; i < NETDEV_HASHENTRIES; i++)
-		INIT_HLIST_HEAD(&net->dev_index_head[i]);
+	net->dev_index_head = netdev_create_hash();
+	if (net->dev_index_head == NULL)
+		goto err_idx;
 
 	return 0;
+
+err_idx:
+	kfree(net->dev_name_head);
+err_name:
+	return -ENOMEM;
 }
 
 static void netdev_exit(struct net *net)