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Date: Sat, 4 Feb 2023 12:04:53 +0800 From: David Gow <davidgow@...gle.com> To: Brendan Higgins <brendan.higgins@...ux.dev>, Shuah Khan <skhan@...uxfoundation.org>, Rae Moar <rmoar@...gle.com> Cc: David Gow <davidgow@...gle.com>, linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com> Subject: [PATCH] kunit: Add printf attribute to fail_current_test_impl Add the gnu_printf (__printf()) attribute to the kunit_fail_current_test() implementation in __kunit_fail_current_test_impl(). While it's not actually useful here, as this function is never called directly, it nevertheless was triggering -Wsuggest-attribute=format warnings, so we should add it to reduce the noise. Fixes: cc3ed2fe5c93 ("kunit: Add "hooks" to call into KUnit when it's built as a module") Reported-by: kernel test robot <lkp@...el.com> Signed-off-by: David Gow <davidgow@...gle.com> --- lib/kunit/hooks-impl.h | 4 +++- lib/kunit/test.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/kunit/hooks-impl.h b/lib/kunit/hooks-impl.h index ec745a39832c..4e71b2d0143b 100644 --- a/lib/kunit/hooks-impl.h +++ b/lib/kunit/hooks-impl.h @@ -15,7 +15,9 @@ #include <kunit/test-bug.h> /* List of declarations. */ -void __kunit_fail_current_test_impl(const char *file, int line, const char *fmt, ...); +void __printf(3, 4) __kunit_fail_current_test_impl(const char *file, + int line, + const char *fmt, ...); void *__kunit_get_static_stub_address_impl(struct kunit *test, void *real_fn_addr); /* Code to set all of the function pointers. */ diff --git a/lib/kunit/test.c b/lib/kunit/test.c index 51cae59d8aae..c9e15bb60058 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -24,7 +24,7 @@ /* * Hook to fail the current test and print an error message to the log. */ -void __kunit_fail_current_test_impl(const char *file, int line, const char *fmt, ...) +void __printf(3, 4) __kunit_fail_current_test_impl(const char *file, int line, const char *fmt, ...) { va_list args; int len; -- 2.39.1.519.gcb327c4b5f-goog
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