cpmac: prevent fatal exception in cpmac_end_xmit

We should not be stopping the subqueues in cpmac_end_xmit
but rather test the status of them. Replace the calls to
netif_subqueue_stop by __netif_subqueue_stopped. This
fixes an unrecoverable exception from happening when
running the driver.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 08e2f67adfb4..58afafbd3b9c 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -615,13 +615,13 @@ static void cpmac_end_xmit(struct net_device *dev, int queue)
 
                 dev_kfree_skb_irq(desc->skb);
                 desc->skb = NULL;
-                if (netif_subqueue_stopped(dev, queue))
+                if (__netif_subqueue_stopped(dev, queue))
                         netif_wake_subqueue(dev, queue);
         } else {
                 if (netif_msg_tx_err(priv) && net_ratelimit())
                         printk(KERN_WARNING
                                "%s: end_xmit: spurious interrupt\n", dev->name);
-                if (netif_subqueue_stopped(dev, queue))
+                if (__netif_subqueue_stopped(dev, queue))
                         netif_wake_subqueue(dev, queue);
         }
 }