gre: Fix MTU calculation for bound GRE tunnels
authorTom Goff <thomas.goff@boeing.com>
Fri, 14 Aug 2009 23:33:56 +0000 (16:33 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 14 Aug 2009 23:41:18 +0000 (16:41 -0700)
commit8cdb045632e5ee22854538619ac6f150eb0a4894
treeece387e77861a103ca6cc5b7d501e4c69a0399dc
parent7c1d15d736687057f4dc6e51fbf44b6f6e4320cb
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 42aa916265d740d66ac1f17290366e9494c884c2
("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>
net/ipv4/ip_gre.c