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-rw-r--r--arch/um/drivers/net_kern.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 4a7966b21931..657dfacd5ba8 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -114,8 +114,6 @@ static int uml_net_open(struct net_device *dev)
struct uml_net_private *lp = dev->priv;
int err;
- spin_lock(&lp->lock);
-
if(lp->fd >= 0){
err = -ENXIO;
goto out;
@@ -149,8 +147,6 @@ static int uml_net_open(struct net_device *dev)
*/
while((err = uml_net_rx(dev)) > 0) ;
- spin_unlock(&lp->lock);
-
spin_lock(&opened_lock);
list_add(&lp->list, &opened);
spin_unlock(&opened_lock);
@@ -160,7 +156,6 @@ out_close:
if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
out:
- spin_unlock(&lp->lock);
return err;
}
@@ -169,15 +164,12 @@ static int uml_net_close(struct net_device *dev)
struct uml_net_private *lp = dev->priv;
netif_stop_queue(dev);
- spin_lock(&lp->lock);
free_irq(dev->irq, dev);
if(lp->close != NULL)
(*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
- spin_unlock(&lp->lock);
-
spin_lock(&opened_lock);
list_del(&lp->list);
spin_unlock(&opened_lock);
@@ -246,9 +238,9 @@ static int uml_net_set_mac(struct net_device *dev, void *addr)
struct uml_net_private *lp = dev->priv;
struct sockaddr *hwaddr = addr;
- spin_lock(&lp->lock);
+ spin_lock_irq(&lp->lock);
set_ether_mac(dev, hwaddr->sa_data);
- spin_unlock(&lp->lock);
+ spin_unlock_irq(&lp->lock);
return(0);
}
@@ -258,7 +250,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
struct uml_net_private *lp = dev->priv;
int err = 0;
- spin_lock(&lp->lock);
+ spin_lock_irq(&lp->lock);
new_mtu = (*lp->set_mtu)(new_mtu, &lp->user);
if(new_mtu < 0){
@@ -269,7 +261,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
dev->mtu = new_mtu;
out:
- spin_unlock(&lp->lock);
+ spin_unlock_irq(&lp->lock);
return err;
}