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Commit a9cf73ea authored by Shan Wei's avatar Shan Wei Committed by David S. Miller
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ipv6: udp: fix the wrong headroom check



At this point, skb->data points to skb_transport_header.
So, headroom check is wrong.

For some case:bridge(UFO is on) + eth device(UFO is off),
there is no enough headroom for IPv6 frag head.
But headroom check is always false.

This will bring about data be moved to there prior to skb->head,
when adding IPv6 frag header to skb.

Signed-off-by: default avatarShan Wei <shanwei@cn.fujitsu.com>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 10022a6c
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