Merge branch 'tipc-some-minor-improvements'

Jon Maloy says:

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tipc: some minor improvements

We add some improvements that will be useful in future commits.
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Link: https://lore.kernel.org/r/20201125182915.711370-1-jmaloy@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>