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net: remove check for headroom in vlan_dev_create 

It is possible for the headroom to be smaller then the
hard_header_len for a short period of time after toggling
the vlan offload setting.

This is not a hard error and skb_cow_head is called in
__vlan_put_tag() to resolve this.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Fastabend 2010-10-30 14:22:37 +00:00 committed by David S. Miller
parent 029f5fc31c
commit 8f5549f381
1 changed files with 0 additions and 3 deletions
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3
net/8021q/vlan_dev.c
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@ -274,9 +274,6 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
u16 vlan_tci = 0;
int rc;
if (WARN_ON(skb_headroom(skb) < dev->hard_header_len))
return -ENOSPC;
if (!(vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR)) {
vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);