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team: set dev->needed_headroom in team_setup_by_port()

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Some devices set needed_headroom. If we ignore it, we might
end up crashing in various skb_push() for example in ipgre_header()
since some layers assume enough headroom has been reserved.

Fixes: 1d76efe157 ("team: add support for non-ethernet devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2020-09-25 06:38:08 -07:00 committed by David S. Miller
parent f32f193395
commit 89d01748b2
1 changed files with 1 additions and 0 deletions
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drivers/net/team/team.c
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@ -2112,6 +2112,7 @@ static void team_setup_by_port(struct net_device *dev,
dev->header_ops = port_dev->header_ops;
dev->type = port_dev->type;
dev->hard_header_len = port_dev->hard_header_len;
dev->needed_headroom = port_dev->needed_headroom;
dev->addr_len = port_dev->addr_len;
dev->mtu = port_dev->mtu;
memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len);