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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2011-11-18 06:20:06 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-11-18 23:37:10 +0400 |
| commit | 805dc1d60fb0d4a8b7730748a11dc2688b8f6cf6 (patch) | |
| tree | c6a51b8945e91012802082264e4fc59635349110 /net | |
| parent | 4ce4091256d61f8e9c7296f6643c8bd5bb2a00e5 (diff) | |
| download | linux-805dc1d60fb0d4a8b7730748a11dc2688b8f6cf6.tar.xz | |
ip_gre: Set needed_headroom dynamically again
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ip_gre.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 38f7c07d12ab..2b32296b7958 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++; |