Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc...

Ben Hutchings says:

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1. Fix potential badness when running a self-test with SR-IOV enabled.
2. Fix calculation of some interface statistics that could run backward.
3. Miscellaneous cleanup.
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Signed-off-by: David S. Miller <davem@davemloft.net>