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[NET]: Fix reversed error test in netif_tx_trylock

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A non-zero return value indicates success from spin_trylock,
not error.

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 2006-07-21 14:55:38 -07:00 committed by David S. Miller
parent bf9915cc55
commit 53c4b2cc7a
1 changed files with 3 additions and 3 deletions
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6
include/linux/netdevice.h
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@ -924,10 +924,10 @@ static inline void netif_tx_lock_bh(struct net_device *dev)
static inline int netif_tx_trylock(struct net_device *dev)
{
int err = spin_trylock(&dev->_xmit_lock);
if (!err)
int ok = spin_trylock(&dev->_xmit_lock);
if (likely(ok))
dev->xmit_lock_owner = smp_processor_id();
return err;
return ok;
}
static inline void netif_tx_unlock(struct net_device *dev)