Commit 8f5549f3 authored by John Fastabend's avatar John Fastabend Committed by David S. Miller
Browse files

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: default avatarJohn Fastabend <>
Acked-by: default avatarJesse Gross <>
Signed-off-by: default avatarDavid S. Miller <>
parent 029f5fc3
......@@ -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);
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment