de2104x: prevent interrupt before the interrupt handler is registered

de_init_hw enables the irq thus it must be issued after request_irq.

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>

diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d7fb3ffe06acbbf4f85f5b93b7a7c6db0f238b98..9e9e1fe92914ace474dd83c950cdc9e5bac9593a 100644 (file)
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1362,7 +1362,6 @@ static int de_open (struct net_device *dev)
 {
        struct de_private *de = dev->priv;
        int rc;
-       unsigned long flags;
 
        if (netif_msg_ifup(de))
                printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
@@ -1376,18 +1375,20 @@ static int de_open (struct net_device *dev)
                return rc;
        }
 
-       rc = de_init_hw(de);
-       if (rc) {
-               printk(KERN_ERR "%s: h/w init failure, err=%d\n",
-                      dev->name, rc);
-               goto err_out_free;
-       }
+       dw32(IntrMask, 0);
 
        rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
        if (rc) {
                printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
                       dev->name, dev->irq, rc);
-               goto err_out_hw;
+               goto err_out_free;
+       }
+
+       rc = de_init_hw(de);
+       if (rc) {
+               printk(KERN_ERR "%s: h/w init failure, err=%d\n",
+                      dev->name, rc);
+               goto err_out_free_irq;
        }
 
        netif_start_queue(dev);
@@ -1395,11 +1396,8 @@ static int de_open (struct net_device *dev)
 
        return 0;
 
-err_out_hw:
-       spin_lock_irqsave(&de->lock, flags);
-       de_stop_hw(de);
-       spin_unlock_irqrestore(&de->lock, flags);
-
+err_out_free_irq:
+       free_irq(dev->irq, dev);
 err_out_free:
        de_free_rings(de);
        return rc;