[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>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index cd4f423..273d5f4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -551,11 +551,8 @@
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