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Commit 53c4b2cc authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
Browse files

[NET]: Fix reversed error test in netif_tx_trylock 



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

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bf9915cc

include/linux/netdevice.h

+3 −3
Original line number Diff line number Diff line
@@ -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)