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authorAmerigo Wang <amwang@redhat.com>2012-08-09 21:24:41 -0400
committerDavid S. Miller <davem@davemloft.net>2012-08-14 17:33:31 -0400
commit91fe4a4b9e490a24f6702dd8afe72d8afab6fcdb (patch)
treeded789b4e378c4e657ea425f0e05ea72be395747 /include/linux/netpoll.h
parent57c5d46191e75312934c00eba65b13a31ca95120 (diff)
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: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netpoll.h')
-rw-r--r--include/linux/netpoll.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 5d881c388273..2d178baa49df 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -63,6 +63,13 @@ static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
63 63
64 64
65#ifdef CONFIG_NETPOLL 65#ifdef CONFIG_NETPOLL
66static inline int netpoll_rx_on(struct sk_buff *skb)
67{
68 struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
69
70 return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
71}
72
66static inline bool netpoll_rx(struct sk_buff *skb) 73static inline bool netpoll_rx(struct sk_buff *skb)
67{ 74{
68 struct netpoll_info *npinfo; 75 struct netpoll_info *npinfo;
@@ -70,11 +77,11 @@ static inline bool netpoll_rx(struct sk_buff *skb)
70 bool ret = false; 77 bool ret = false;
71 78
72 local_irq_save(flags); 79 local_irq_save(flags);
73 npinfo = rcu_dereference_bh(skb->dev->npinfo);
74 80
75 if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags)) 81 if (!netpoll_rx_on(skb))
76 goto out; 82 goto out;
77 83
84 npinfo = rcu_dereference_bh(skb->dev->npinfo);
78 spin_lock(&npinfo->rx_lock); 85 spin_lock(&npinfo->rx_lock);
79 /* check rx_flags again with the lock held */ 86 /* check rx_flags again with the lock held */
80 if (npinfo->rx_flags && __netpoll_rx(skb, npinfo)) 87 if (npinfo->rx_flags && __netpoll_rx(skb, npinfo))
@@ -86,13 +93,6 @@ out:
86 return ret; 93 return ret;
87} 94}
88 95
89static inline int netpoll_rx_on(struct sk_buff *skb)
90{
91 struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
92
93 return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
94}
95
96static inline int netpoll_receive_skb(struct sk_buff *skb) 96static inline int netpoll_receive_skb(struct sk_buff *skb)
97{ 97{
98 if (!list_empty(&skb->dev->napi_list)) 98 if (!list_empty(&skb->dev->napi_list))