diff options
Diffstat (limited to 'net/caif/caif_dev.c')
| -rw-r--r-- | net/caif/caif_dev.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index a518fdd4da0..75e00d59eb4 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -133,9 +133,7 @@ static int transmit(struct cflayer *layer, struct cfpkt *pkt) static int modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl) { struct caif_device_entry *caifd; - struct caif_dev_common *caifdev; caifd = container_of(layr, struct caif_device_entry, layer); - caifdev = netdev_priv(caifd->netdev); if (ctrl == _CAIF_MODEMCMD_PHYIF_USEFULL) { atomic_set(&caifd->in_use, 1); wake_up_interruptible(&caifd->event); @@ -154,10 +152,8 @@ static int modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl) static int receive(struct sk_buff *skb, struct net_device *dev, struct packet_type *pkttype, struct net_device *orig_dev) { - struct net *net; struct cfpkt *pkt; struct caif_device_entry *caifd; - net = dev_net(dev); pkt = cfpkt_fromnative(CAIF_DIR_IN, skb); caifd = caif_get(dev); if (!caifd || !caifd->layer.up || !caifd->layer.up->receive) @@ -195,7 +191,6 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, struct caif_device_entry *caifd = NULL; struct caif_dev_common *caifdev; enum cfcnfg_phy_preference pref; - int res = -EINVAL; enum cfcnfg_phy_type phy_type; if (dev->type != ARPHRD_CAIF) @@ -210,7 +205,6 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, caifdev = netdev_priv(dev); caifdev->flowctrl = dev_flowctrl; atomic_set(&caifd->state, what); - res = 0; break; case NETDEV_UP: @@ -274,7 +268,7 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, _CAIF_CTRLCMD_PHYIF_DOWN_IND, caifd->layer.id); might_sleep(); - res = wait_event_interruptible_timeout(caifd->event, + wait_event_interruptible_timeout(caifd->event, atomic_read(&caifd->in_use) == 0, TIMEOUT); break; @@ -344,12 +338,11 @@ static int caif_init_net(struct net *net) static void caif_exit_net(struct net *net) { struct net_device *dev; - int res; rtnl_lock(); for_each_netdev(net, dev) { if (dev->type != ARPHRD_CAIF) continue; - res = dev_close(dev); + dev_close(dev); caif_device_destroy(dev); } rtnl_unlock(); |