[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>
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@ -551,11 +551,8 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
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struct ipoib_neigh *neigh;
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struct ipoib_neigh *neigh;
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unsigned long flags;
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unsigned long flags;
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local_irq_save(flags);
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if (!spin_trylock_irqsave(&priv->tx_lock, flags))
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if (!spin_trylock(&priv->tx_lock)) {
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local_irq_restore(flags);
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return NETDEV_TX_LOCKED;
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return NETDEV_TX_LOCKED;
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}
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/*
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/*
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* Check if our queue is stopped. Since we have the LLTX bit
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* Check if our queue is stopped. Since we have the LLTX bit
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