diff options
Diffstat (limited to 'arch/um/drivers')
| -rw-r--r-- | arch/um/drivers/net_kern.c | 16 |
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; } |