selftests/livepatch: rework test-klp-shadow-vars

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The initial idea was to make a change to please cppcheck and remove void
pointer arithmetics found a few times:

	portability: 'obj' is of type 'void *'. When using void pointers
		     in calculations, the behaviour is undefined.
		     [arithOperationsOnVoidPointer]

The rest of the changes are to help make the test read as an example
while continuing to verify the shadow variable code. The logic of the
test is unchanged but restructured to use descriptive names.

Signed-off-by: Yannick Cote <ycote@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200603182058.109470-3-ycote@redhat.com

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Yannick Cote 2020-06-03 14:20:56 -04:00 • committed by Petr Mladek

parent 547840bd5a

commit 6a26a9df16

1 changed files with 57 additions and 44 deletions

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lib/livepatch/test_klp_shadow_vars.c

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