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Commit 9be9a6b9 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

[NET]: Get rid of netdev_nit 



It isn't any faster to test a boolean global variable than do a simple
check for empty list.

Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 42dc9cd5

net/core/dev.c

+5 −13
Original line number Diff line number Diff line
@@ -225,12 +225,6 @@ extern void netdev_unregister_sysfs(struct net_device *); 


*******************************************************************************/



/*

 *	For efficiency

 */



static int netdev_nit;



/*

 *	Add a protocol ID to the list. Now that the input handler is

 *	smarter we can dispense with all the messy stuff that used to be
@@ -265,10 +259,9 @@ void dev_add_pack(struct packet_type *pt) 
	int hash;



	spin_lock_bh(&ptype_lock);

	if (pt->type == htons(ETH_P_ALL)) {

		netdev_nit++;

	if (pt->type == htons(ETH_P_ALL))

		list_add_rcu(&pt->list, &ptype_all);

	} else {

	else {

		hash = ntohs(pt->type) & 15;

		list_add_rcu(&pt->list, &ptype_base[hash]);

	}
@@ -295,10 +288,9 @@ void __dev_remove_pack(struct packet_type *pt) 


	spin_lock_bh(&ptype_lock);



	if (pt->type == htons(ETH_P_ALL)) {

		netdev_nit--;

	if (pt->type == htons(ETH_P_ALL))

		head = &ptype_all;

	} else

	else

		head = &ptype_base[ntohs(pt->type) & 15];



	list_for_each_entry(pt1, head, list) {
@@ -1330,7 +1322,7 @@ static int dev_gso_segment(struct sk_buff *skb) 
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)

{

	if (likely(!skb->next)) {

		if (netdev_nit)

		if (!list_empty(&ptype_all))

			dev_queue_xmit_nit(skb, dev);



		if (netif_needs_gso(dev, skb)) {