Merge branch 'octeon-npc-fixes'

Subbaraya Sundeep says:

====================
octeontx2-af: Miscellaneous fixes in npc

This patchset consists of consolidated fixes in
rvu_npc file. Two of the patches prevent infinite
loop which can happen in corner cases. One patch
is for fixing static code analyzer reported issues.
And the last patch is a minor change in npc protocol
checker hardware block to report ipv4 checksum errors
as a known error codes.
====================

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