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selftests/landlock: Locally define __maybe_unused

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The checkpatch tool started to flag __attribute__(__unused__), which
we previously used. The header where this is normally defined is not
currently compatible with selftests.

This is the same approach as used in selftests/net/psock_lib.h.

Signed-off-by: Günther Noack <gnoack3000@gmail.com>
Link: https://lore.kernel.org/r/20221018182216.301684-8-gnoack3000@gmail.com
Signed-off-by: Mickaël Salaün <mic@digikod.net>
This commit is contained in:
Günther Noack 2022-10-18 20:22:12 +02:00 committed by Mickaël Salaün
parent 41729af28f
commit 97b30f9e35
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1 changed files with 10 additions and 8 deletions
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18
tools/testing/selftests/landlock/common.h
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@ -17,6 +17,10 @@
#include "../kselftest_harness.h"
#ifndef __maybe_unused
#define __maybe_unused __attribute__((__unused__))
#endif
/*
* TEST_F_FORK() is useful when a test drop privileges but the corresponding
* FIXTURE_TEARDOWN() requires them (e.g. to remove files from a directory
@ -140,14 +144,12 @@ static void _init_caps(struct __test_metadata *const _metadata, bool drop_all)
}
/* We cannot put such helpers in a library because of kselftest_harness.h . */
__attribute__((__unused__)) static void
disable_caps(struct __test_metadata *const _metadata)
static void __maybe_unused disable_caps(struct __test_metadata *const _metadata)
{
_init_caps(_metadata, false);
}
__attribute__((__unused__)) static void
drop_caps(struct __test_metadata *const _metadata)
static void __maybe_unused drop_caps(struct __test_metadata *const _metadata)
{
_init_caps(_metadata, true);
}
@ -176,14 +178,14 @@ static void _effective_cap(struct __test_metadata *const _metadata,
}
}
__attribute__((__unused__)) static void
set_cap(struct __test_metadata *const _metadata, const cap_value_t caps)
static void __maybe_unused set_cap(struct __test_metadata *const _metadata,
const cap_value_t caps)
{
_effective_cap(_metadata, caps, CAP_SET);
}
__attribute__((__unused__)) static void
clear_cap(struct __test_metadata *const _metadata, const cap_value_t caps)
static void __maybe_unused clear_cap(struct __test_metadata *const _metadata,
const cap_value_t caps)
{
_effective_cap(_metadata, caps, CAP_CLEAR);
}