R. Parameswaran 57240d0078 l2tp: device MTU setup, tunnel socket needs a lock ...

The MTU overhead calculation in L2TP device set-up
merged via commit b784e7ebfc
needs to be adjusted to lock the tunnel socket while
referencing the sub-data structures to derive the
socket's IP overhead.

Reported-by: Guillaume Nault <g.nault@alphalink.fr>
Tested-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: R. Parameswaran <rparames@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2017-04-17 13:01:48 -04:00

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