1 files changed, 19 insertions, 13 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index d4a1ec3bded5..4d891beab138 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -640,6 +640,8 @@ int dev_valid_name(const char *name)
 {
 	if (*name == '\0')
 		return 0;
+	if (strlen(name) >= IFNAMSIZ)
+		return 0;
 	if (!strcmp(name, ".") || !strcmp(name, ".."))
 		return 0;
 
@@ -1166,12 +1168,12 @@ EXPORT_SYMBOL(netif_device_attach);
  * Invalidate hardware checksum when packet is to be mangled, and
  * complete checksum manually on outgoing path.
  */
-int skb_checksum_help(struct sk_buff *skb, int inward)
+int skb_checksum_help(struct sk_buff *skb)
 {
 	unsigned int csum;
 	int ret = 0, offset = skb->h.raw - skb->data;
 
-	if (inward)
+	if (skb->ip_summed == CHECKSUM_COMPLETE)
 		goto out_set_summed;
 
 	if (unlikely(skb_shinfo(skb)->gso_size)) {
@@ -1223,7 +1225,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
 	skb->mac_len = skb->nh.raw - skb->data;
 	__skb_pull(skb, skb->mac_len);
 
-	if (unlikely(skb->ip_summed != CHECKSUM_HW)) {
+	if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
 		if (skb_header_cloned(skb) &&
 		    (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
 			return ERR_PTR(err);
@@ -1232,7 +1234,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
 	rcu_read_lock();
 	list_for_each_entry_rcu(ptype, &ptype_base[ntohs(type) & 15], list) {
 		if (ptype->type == type && !ptype->dev && ptype->gso_segment) {
-			if (unlikely(skb->ip_summed != CHECKSUM_HW)) {
+			if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
 				err = ptype->gso_send_check(skb);
 				segs = ERR_PTR(err);
 				if (err || skb_gso_ok(skb, features))
@@ -1444,11 +1446,11 @@ int dev_queue_xmit(struct sk_buff *skb)
 	/* If packet is not checksummed and device does not support
 	 * checksumming for this protocol, complete checksumming here.
 	 */
-	if (skb->ip_summed == CHECKSUM_HW &&
+	if (skb->ip_summed == CHECKSUM_PARTIAL &&
 	    (!(dev->features & NETIF_F_GEN_CSUM) &&
 	     (!(dev->features & NETIF_F_IP_CSUM) ||
 	      skb->protocol != htons(ETH_P_IP))))
-	      	if (skb_checksum_help(skb, 0))
+	      	if (skb_checksum_help(skb))
 	      		goto out_kfree_skb;
 
 gso:
@@ -1478,14 +1480,16 @@ gso:
 	if (q->enqueue) {
 		/* Grab device queue */
 		spin_lock(&dev->queue_lock);
+		q = dev->qdisc;
+		if (q->enqueue) {
+			rc = q->enqueue(skb, q);
+			qdisc_run(dev);
+			spin_unlock(&dev->queue_lock);
 
-		rc = q->enqueue(skb, q);
-
-		qdisc_run(dev);
-
+			rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
+			goto out;
+		}
 		spin_unlock(&dev->queue_lock);
-		rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
-		goto out;
 	}
 
 	/* The device has no queue. Common case for software devices:
@@ -3191,13 +3195,15 @@ struct net_device *alloc_netdev(int sizeof_priv, const char *name,
 	struct net_device *dev;
 	int alloc_size;
 
+	BUG_ON(strlen(name) >= sizeof(dev->name));
+
 	/* ensure 32-byte alignment of both the device and private area */
 	alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
 	alloc_size += sizeof_priv + NETDEV_ALIGN_CONST;
 
 	p = kzalloc(alloc_size, GFP_KERNEL);
 	if (!p) {
-		printk(KERN_ERR "alloc_dev: Unable to allocate device.\n");
+		printk(KERN_ERR "alloc_netdev: Unable to allocate device.\n");
 		return NULL;
 	}