Build-Fix

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Cleanup

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Revert "Fix mutex-lock-ordering"

This reverts commit e947d9aaab3f4633ce670dd56db21d1613244530.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>

Conflicts:
	include/net/mptcp.h