diff options
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index d058c0ef3b6e..8b93799c6a0d 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -43,7 +43,6 @@ /* Our listing of VLAN group(s) */ static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE]; -#define vlan_grp_hashfn(IDX) ((((IDX) >> VLAN_GRP_HASH_SHIFT) ^ (IDX)) & VLAN_GRP_HASH_MASK) static char vlan_fullname[] = "802.1Q VLAN Support"; static char vlan_version[] = DRV_VERSION; @@ -60,6 +59,11 @@ static struct packet_type vlan_packet_type = { /* End of global variables definitions. */ +static inline unsigned int vlan_grp_hashfn(unsigned int idx) +{ + return ((idx >> VLAN_GRP_HASH_SHIFT) ^ idx) & VLAN_GRP_HASH_MASK; +} + /* Must be invoked with RCU read lock (no preempt) */ static struct vlan_group *__vlan_find_group(int real_dev_ifindex) { @@ -94,7 +98,7 @@ static void vlan_group_free(struct vlan_group *grp) { int i; - for (i=0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) + for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) kfree(grp->vlan_devices_arrays[i]); kfree(grp); } @@ -174,7 +178,8 @@ void unregister_vlan_dev(struct net_device *dev) unregister_netdevice(dev); } -static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev) +static void vlan_transfer_operstate(const struct net_device *dev, + struct net_device *vlandev) { /* Have to respect userspace enforced dormant state * of real device, also must allow supplicant running @@ -369,7 +374,8 @@ static void vlan_sync_address(struct net_device *dev, memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); } -static int vlan_device_event(struct notifier_block *unused, unsigned long event, void *ptr) +static int vlan_device_event(struct notifier_block *unused, unsigned long event, + void *ptr) { struct net_device *dev = ptr; struct vlan_group *grp = __vlan_find_group(dev->ifindex); @@ -569,9 +575,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) err = 0; vlan_dev_get_realdev_name(dev, args.u.device2); if (copy_to_user(arg, &args, - sizeof(struct vlan_ioctl_args))) { + sizeof(struct vlan_ioctl_args))) err = -EFAULT; - } break; case GET_VLAN_VID_CMD: @@ -579,9 +584,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) vlan_dev_get_vid(dev, &vid); args.u.VID = vid; if (copy_to_user(arg, &args, - sizeof(struct vlan_ioctl_args))) { + sizeof(struct vlan_ioctl_args))) err = -EFAULT; - } break; default: |