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;
 }