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caif: Fix set-but-unused variables.

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The variable 'caifdef' is set but unused in modemcmd().

Similarly for 'net' in receive(), and 'res' in
caif_device_notify() and caif_exit_net().

Just kill them off.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-04-17 16:57:55 -07:00
parent b8ee8328ba
commit 056693a38e
1 changed files with 2 additions and 9 deletions
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11
net/caif/caif_dev.c
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@ -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();