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 @@ | |||
43 | 43 | ||
44 | /* Our listing of VLAN group(s) */ | 44 | /* Our listing of VLAN group(s) */ |
45 | static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE]; | 45 | static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE]; |
46 | #define vlan_grp_hashfn(IDX) ((((IDX) >> VLAN_GRP_HASH_SHIFT) ^ (IDX)) & VLAN_GRP_HASH_MASK) | ||
47 | 46 | ||
48 | static char vlan_fullname[] = "802.1Q VLAN Support"; | 47 | static char vlan_fullname[] = "802.1Q VLAN Support"; |
49 | static char vlan_version[] = DRV_VERSION; | 48 | static char vlan_version[] = DRV_VERSION; |
@@ -60,6 +59,11 @@ static struct packet_type vlan_packet_type = { | |||
60 | 59 | ||
61 | /* End of global variables definitions. */ | 60 | /* End of global variables definitions. */ |
62 | 61 | ||
62 | static inline unsigned int vlan_grp_hashfn(unsigned int idx) | ||
63 | { | ||
64 | return ((idx >> VLAN_GRP_HASH_SHIFT) ^ idx) & VLAN_GRP_HASH_MASK; | ||
65 | } | ||
66 | |||
63 | /* Must be invoked with RCU read lock (no preempt) */ | 67 | /* Must be invoked with RCU read lock (no preempt) */ |
64 | static struct vlan_group *__vlan_find_group(int real_dev_ifindex) | 68 | static struct vlan_group *__vlan_find_group(int real_dev_ifindex) |
65 | { | 69 | { |
@@ -94,7 +98,7 @@ static void vlan_group_free(struct vlan_group *grp) | |||
94 | { | 98 | { |
95 | int i; | 99 | int i; |
96 | 100 | ||
97 | for (i=0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) | 101 | for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++) |
98 | kfree(grp->vlan_devices_arrays[i]); | 102 | kfree(grp->vlan_devices_arrays[i]); |
99 | kfree(grp); | 103 | kfree(grp); |
100 | } | 104 | } |
@@ -174,7 +178,8 @@ void unregister_vlan_dev(struct net_device *dev) | |||
174 | unregister_netdevice(dev); | 178 | unregister_netdevice(dev); |
175 | } | 179 | } |
176 | 180 | ||
177 | static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev) | 181 | static void vlan_transfer_operstate(const struct net_device *dev, |
182 | struct net_device *vlandev) | ||
178 | { | 183 | { |
179 | /* Have to respect userspace enforced dormant state | 184 | /* Have to respect userspace enforced dormant state |
180 | * of real device, also must allow supplicant running | 185 | * of real device, also must allow supplicant running |
@@ -369,7 +374,8 @@ static void vlan_sync_address(struct net_device *dev, | |||
369 | memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); | 374 | memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); |
370 | } | 375 | } |
371 | 376 | ||
372 | static int vlan_device_event(struct notifier_block *unused, unsigned long event, void *ptr) | 377 | static int vlan_device_event(struct notifier_block *unused, unsigned long event, |
378 | void *ptr) | ||
373 | { | 379 | { |
374 | struct net_device *dev = ptr; | 380 | struct net_device *dev = ptr; |
375 | struct vlan_group *grp = __vlan_find_group(dev->ifindex); | 381 | struct vlan_group *grp = __vlan_find_group(dev->ifindex); |
@@ -569,9 +575,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) | |||
569 | err = 0; | 575 | err = 0; |
570 | vlan_dev_get_realdev_name(dev, args.u.device2); | 576 | vlan_dev_get_realdev_name(dev, args.u.device2); |
571 | if (copy_to_user(arg, &args, | 577 | if (copy_to_user(arg, &args, |
572 | sizeof(struct vlan_ioctl_args))) { | 578 | sizeof(struct vlan_ioctl_args))) |
573 | err = -EFAULT; | 579 | err = -EFAULT; |
574 | } | ||
575 | break; | 580 | break; |
576 | 581 | ||
577 | case GET_VLAN_VID_CMD: | 582 | case GET_VLAN_VID_CMD: |
@@ -579,9 +584,8 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) | |||
579 | vlan_dev_get_vid(dev, &vid); | 584 | vlan_dev_get_vid(dev, &vid); |
580 | args.u.VID = vid; | 585 | args.u.VID = vid; |
581 | if (copy_to_user(arg, &args, | 586 | if (copy_to_user(arg, &args, |
582 | sizeof(struct vlan_ioctl_args))) { | 587 | sizeof(struct vlan_ioctl_args))) |
583 | err = -EFAULT; | 588 | err = -EFAULT; |
584 | } | ||
585 | break; | 589 | break; |
586 | 590 | ||
587 | default: | 591 | default: |