From: Amerigo Wang <amwang@redhat.com>
Date: Fri, 10 Aug 2012 01:24:41 +0000 (+0000)
Subject: netpoll: use netpoll_rx_on() in netpoll_rx()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=91fe4a4b9e490a24f6702dd8afe72d8afab6fcdb;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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)
 
 
 #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 @@ out:
 	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))