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[IPoIB] use spin_trylock_irqsave() 

Use spin_trylock_irqsave() in ipoib_start_xmit() instead of
reinventing it out of local_irq_save(), spin_trylock() and
local_irq_restore().

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2005-10-29 13:54:40 -07:00
parent affcd50546
commit a20583a7c2
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/ulp/ipoib/ipoib_main.c
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@ -551,11 +551,8 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct ipoib_neigh *neigh;
unsigned long flags;
local_irq_save(flags);
if (!spin_trylock(&priv->tx_lock)) {
local_irq_restore(flags);
if (!spin_trylock_irqsave(&priv->tx_lock, flags))
return NETDEV_TX_LOCKED;
}
/*
* Check if our queue is stopped. Since we have the LLTX bit