Commit 056693a3 authored by David S. Miller's avatar David S. Miller
Browse files

caif: Fix set-but-unused variables. 



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: default avatarDavid S. Miller <davem@davemloft.net>
parent b8ee8328

net/caif/caif_dev.c

+2 −9
Original line number Diff line number Diff line
@@ -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();