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netpoll: Use correct primitives for RCU dereferencing

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Now that RCU debugging checks for matching rcu_dereference calls
and rcu_read_lock, we need to use the correct primitives or face
nasty warnings.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2010-06-15 21:44:29 -07:00 • committed by David S. Miller
parent 9f70b0fcec
commit d5f31fbfd8
1 changed files with 2 additions and 2 deletions
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4
include/linux/netpoll.h
View file

@ -64,7 +64,7 @@ static inline bool netpoll_rx(struct sk_buff *skb)
bool ret = false; bool ret = false;
rcu_read_lock_bh(); rcu_read_lock_bh();
npinfo = rcu_dereference(skb->dev->npinfo); npinfo = rcu_dereference_bh(skb->dev->npinfo);
if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags)) if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
goto out; goto out;
@ -82,7 +82,7 @@ out:
static inline int netpoll_rx_on(struct sk_buff *skb) static inline int netpoll_rx_on(struct sk_buff *skb)
{ {
struct netpoll_info *npinfo = rcu_dereference(skb->dev->npinfo); struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags); return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
} }