Merge branch 'net-smc-updates-2020-10-07'

Karsten Graul says:

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net/smc: updates 2020-10-07

Patch 1 and 2 address warnings from static code checkers, and patch 3
handles a case when all proposed ISM V2 devices fail to init and no V1
devices are tried afterwards.
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>