Merge branch 'tipc-next'

Jon Maloy says:

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tipc: remove some unnecessary complexity

The TIPC code is unnecessarily complex in some places, often because
the conditions or assumptions that were the cause for the complexity
are not valid anymore.

In these three commits, we eliminate some cases of such redundant
complexity.
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Signed-off-by: David S. Miller <davem@davemloft.net>