linux-kernel - [PATCH v7 04/25] kunit: take `kunit

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Date:   Mon, 23 May 2022 04:01:17 +0200
From:   Miguel Ojeda <ojeda@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Daniel Latypov <dlatypov@...gle.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com
Subject: [PATCH v7 04/25] kunit: take `kunit_assert` as `const`

The `kunit_do_failed_assertion` function passes its
`struct kunit_assert` argument to `kunit_fail`. This one,
in turn, calls its `format` field passing the assert again
as a `const` pointer.

Therefore, the whole chain may be made `const`.

Reviewed-by: Daniel Latypov <dlatypov@...gle.com>
Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
---
This is a prerequisite patch, independently submitted at:

    https://lore.kernel.org/lkml/20220502093625.GA23225@kernel.org/

 include/kunit/test.h | 2 +-
 lib/kunit/test.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/kunit/test.h b/include/kunit/test.h
index 00b9ff7783ab..2eff4f1beb42 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -774,7 +774,7 @@ void __printf(2, 3) kunit_log_append(char *log, const char *fmt, ...);
 void kunit_do_failed_assertion(struct kunit *test,
 			       const struct kunit_loc *loc,
 			       enum kunit_assert_type type,
-			       struct kunit_assert *assert,
+			       const struct kunit_assert *assert,
 			       const char *fmt, ...);
 
 #define KUNIT_ASSERTION(test, assert_type, pass, assert_class, INITIALIZER, fmt, ...) do { \
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index 3bca3bf5c15b..b84aed09a009 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -241,7 +241,7 @@ static void kunit_print_string_stream(struct kunit *test,
 }
 
 static void kunit_fail(struct kunit *test, const struct kunit_loc *loc,
-		       enum kunit_assert_type type, struct kunit_assert *assert,
+		       enum kunit_assert_type type, const struct kunit_assert *assert,
 		       const struct va_format *message)
 {
 	struct string_stream *stream;
@@ -281,7 +281,7 @@ static void __noreturn kunit_abort(struct kunit *test)
 void kunit_do_failed_assertion(struct kunit *test,
 			       const struct kunit_loc *loc,
 			       enum kunit_assert_type type,
-			       struct kunit_assert *assert,
+			       const struct kunit_assert *assert,
 			       const char *fmt, ...)
 {
 	va_list args;
-- 
2.36.1