[git patch review 2/5] [IPoIB] use spin_trylock_irqsave()

[Roland Dreier <rolandd@cisco.com>]

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>

---

 drivers/infiniband/ulp/ipoib/ipoib_main.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

applies-to: e4e6a0f5f2203569b6ada4c101a146c3a4f24c28
a20583a7c2e35d80b1dfc1f60c9729498838725e
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 @@ static int ipoib_start_xmit(struct sk_bu
 	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
---
0.99.9
-
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