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)
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

Simple merge