diff options
| author | David S. Miller <davem@davemloft.net> | 2011-04-18 03:57:55 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-18 03:57:55 +0400 |
| commit | 056693a38e56c520e208409d221cbc077282c19d (patch) | |
| tree | c931d434d588f1de20dd0557488565135c9d6895 /net/caif/caif_dev.c | |
| parent | b8ee8328bac0d8420d2b9ef4838d0df25df100ab (diff) | |
| download | linux-056693a38e56c520e208409d221cbc077282c19d.tar.xz | |
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: David S. Miller <davem@davemloft.net>
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 a518fdd4da0a..75e00d59eb49 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(); |