Merge branch 'tipc-link-setup-improvements'

Merge branch 'tipc-link-setup-improvements'

Jon Maloy says:

====================
tipc: improvements to the link setup algorithm

This series addresses some smaller issues regarding the link setup
algorithm. The first commit fixes a rare bug we have discovered during
testing; the second one may have some future impact on cluster
scalabilty, while remaining ones can be regarded as cosmetic in
a wider sense of the word.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>