Messages in this thread Patch in this message | | | Subject | [PATCH 6/6] ip_gre: Set needed_headroom dynamically again | From | Herbert Xu <> | Date | Fri, 18 Nov 2011 20:20:06 +0800 |
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ip_gre: Set needed_headroom dynamically again
Now that all needed_headroom users have been fixed up so that we can safely increase needed_headroom, this patch restore the dynamic update of needed_headroom.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> ---
net/ipv4/ip_gre.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index d55110e..d7bb94c 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -835,6 +835,8 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev if (skb_headroom(skb) < max_headroom || skb_shared(skb)|| (skb_cloned(skb) && !skb_clone_writable(skb, 0))) { struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom); + if (max_headroom > dev->needed_headroom) + dev->needed_headroom = max_headroom; if (!new_skb) { ip_rt_put(rt); dev->stats.tx_dropped++;
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