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Commit 91fe4a4b authored by Amerigo Wang's avatar Amerigo Wang Committed by David S. Miller
Browse files

netpoll: use netpoll_rx_on() in netpoll_rx() 



The logic of the code is same, just call netpoll_rx_on().

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: default avatarCong Wang <amwang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 57c5d461

include/linux/netpoll.h

+9 −9
Original line number Diff line number Diff line
@@ -63,6 +63,13 @@ static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb) 




#ifdef CONFIG_NETPOLL

static inline int netpoll_rx_on(struct sk_buff *skb)

{

	struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);



	return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);

}



static inline bool netpoll_rx(struct sk_buff *skb)

{

	struct netpoll_info *npinfo;
@@ -70,11 +77,11 @@ static inline bool netpoll_rx(struct sk_buff *skb) 
	bool ret = false;



	local_irq_save(flags);

	npinfo = rcu_dereference_bh(skb->dev->npinfo);



	if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))

	if (!netpoll_rx_on(skb))

		goto out;



	npinfo = rcu_dereference_bh(skb->dev->npinfo);

	spin_lock(&npinfo->rx_lock);

	/* check rx_flags again with the lock held */

	if (npinfo->rx_flags && __netpoll_rx(skb, npinfo))
@@ -86,13 +93,6 @@ static inline bool netpoll_rx(struct sk_buff *skb) 
	return ret;

}



static inline int netpoll_rx_on(struct sk_buff *skb)

{

	struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);



	return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);

}



static inline int netpoll_receive_skb(struct sk_buff *skb)

{

	if (!list_empty(&skb->dev->napi_list))