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authorFrancois Romieu <romieu@fr.zoreil.com>2006-03-08 22:41:15 +0100
committerRomieu Francois <romieu@crap.fr.zoreil.com>2006-03-09 23:09:43 +0100
commit3f735b76a4e654bee652cbbeb405b9b3ef950316 (patch)
treec351f9674d8136a37a2c270e311e7bd17d3d0eb8 /drivers/net/tulip
parent6218cf4410cfce7bc7e89834e73525b124625d4c (diff)
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>
Diffstat (limited to 'drivers/net/tulip')
-rw-r--r--drivers/net/tulip/de2104x.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d7fb3ffe06ac..9e9e1fe92914 100644
--- 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;