gre: Fix MTU calculation for bound GRE tunnels
The GRE header length should be subtracted when the tunnel MTU is calculated. This just corrects for the associativity change introduced by commit 42aa9162 ("gre: Move MTU setting out of ipgre_tunnel_bind_dev"). Signed-off-by:Tom Goff <thomas.goff@boeing.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
7c1d15d7
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