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| author | Jiri Pirko <jiri@resnulli.us> | 2012-08-23 03:26:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-24 13:46:39 -0400 |
| commit | 9b361c13ceeae872161175d39f4798ee345ed10c (patch) | |
| tree | 47431fc1e7c22695ce8b0128d34b70af79a90f02 /net/8021q | |
| parent | 0c7517e9faa2f79afe95b47321f3cd08fe0145cd (diff) | |
| download | lwn-9b361c13ceeae872161175d39f4798ee345ed10c.tar.gz lwn-9b361c13ceeae872161175d39f4798ee345ed10c.zip | |
vlan: add helper which can be called to see if device is used by vlan
also, remove unused vlan_info definition from header
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
| -rw-r--r-- | net/8021q/vlan_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 8ca533c95de0..b258da88f675 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -368,3 +368,9 @@ void vlan_vids_del_by_dev(struct net_device *dev, vlan_vid_del(dev, vid_info->vid); } EXPORT_SYMBOL(vlan_vids_del_by_dev); + +bool vlan_uses_dev(const struct net_device *dev) +{ + return rtnl_dereference(dev->vlan_info) ? true : false; +} +EXPORT_SYMBOL(vlan_uses_dev); |