l2tp: make l2tp_xmit_core() return void

It always returns 0, and nobody reads the return value anyway.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2018-06-25 16:07:25 +02:00 • committed by David S. Miller
commit 2685fbb804