pch_gbe: fix bogus trylock conversion

Should have converted 'if (trylock)' to 'lock'.

Fixes: a6086a893718db ("drivers: net: remove NETDEV_TX_LOCKED")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index 4475dcc..ca4add7 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -2137,7 +2137,7 @@
 	struct pch_gbe_tx_ring *tx_ring = adapter->tx_ring;
 	unsigned long flags;
 
-	spin_trylock_irqsave(&tx_ring->tx_lock, flags);
+	spin_lock_irqsave(&tx_ring->tx_lock, flags);
 
 	if (unlikely(!PCH_GBE_DESC_UNUSED(tx_ring))) {
 		netif_stop_queue(netdev);