[PATCH] 8139too deadlock fix

[pandora-kernel.git] / drivers / net / 8139too.c

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index cd97185..e4f4eaf 100644 (file)
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -1709,6 +1709,7 @@ static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
        void __iomem *ioaddr = tp->mmio_addr;
        unsigned int entry;
        unsigned int len = skb->len;
+       unsigned long flags;
 
        /* Calculate the next Tx descriptor entry. */
        entry = tp->cur_tx % NUM_TX_DESC;
@@ -1725,7 +1726,7 @@ static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
                return 0;
        }
 
-       spin_lock_irq(&tp->lock);
+       spin_lock_irqsave(&tp->lock, flags);
        RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
                   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
 
@@ -1736,7 +1737,7 @@ static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
 
        if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx)
                netif_stop_queue (dev);
-       spin_unlock_irq(&tp->lock);
+       spin_unlock_irqrestore(&tp->lock, flags);
 
        if (netif_msg_tx_queued(tp))
                printk (KERN_DEBUG "%s: Queued Tx packet size %u to slot %d.\n",