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drivers: net: remove NETDEV_TX_LOCKED

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replace the trylock by a full spin_lock and remove TX_LOCKED return value.
Followup patch will remove TX_LOCKED from the kernel.

Cc: Jon Mason <jdmason@kudzu.us>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2016-04-24 21:38:13 +02:00 • committed by David S. Miller
parent 926f273001
commit a6086a8937
5 changed files with 6 additions and 26 deletions
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6
drivers/net/rionet.c
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@ -179,11 +179,7 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
unsigned long flags;
int add_num = 1;
local_irq_save(flags);
if (!spin_trylock(&rnet->tx_lock)) {
local_irq_restore(flags);
return NETDEV_TX_LOCKED;
}
spin_lock_irqsave(&rnet->tx_lock, flags);
if (is_multicast_ether_addr(eth->h_dest))
add_num = nets[rnet->mport->id].nact;