selftests: harness: Mark test fixture objects __maybe_unused

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Mark _##fixture_name##_##test_name##_object __maybe_unused since it may
not ever be read. This pointer is only read in XFAIL_ADD(), which tests
are not required to use.

clang made a change to -Wunused-but-set-variable (split out into its own
subwarning, -Wunused-but-set-global) that causes this warning to be
emitted for various selftests and can be upgraded to an error in
selftest that set -Werror.

VFIO selftests have been broken since commit ff556bd983 ("vfio:
selftests: Add -Wall and -Werror to the Makefile"), and the net
selftests builds have been noisy due to -Wall.

Fixes: 24cf65a622 ("selftests/harness: Share _metadata between forked processes")
Reported-by: Kuniyuki Iwashima <kuniyu@google.com>
Reported-by: Aaron Lewis <aaronlewis@google.com>
Reviewed-by: Alex Williamson <alex@shazbot.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20260706183154.2660394-1-dmatlack@google.com
Signed-off-by: Alex Williamson <alex@shazbot.org>

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David Matlack 2026-07-06 18:31:54 +00:00 • committed by Alex Williamson

parent 28ca5f67e1

commit 37ffa24c9d

1 changed files with 1 additions and 1 deletions

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tools/testing/selftests/kselftest_harness.h

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