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Commit 2c67cd9c authored by Eric Dumazet's avatar Eric Dumazet Committed by Greg Kroah-Hartman
Browse files

team: set dev->needed_headroom in team_setup_by_port() 



commit 89d01748b2354e210b5d4ea47bc25a42a1b42c82 upstream.

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: 1d76efe1 ("team: add support for non-ethernet devices")
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1e33ef76

drivers/net/team/team.c

+1 −0
Original line number Diff line number Diff line
@@ -2038,6 +2038,7 @@ 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);