linux-kernel - [PATCH v1 2/3] kunit: executor_test: Use kunit_add

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Date:   Fri, 21 Apr 2023 16:42:25 +0800
From:   David Gow <davidgow@...gle.com>
To:     Matti Vaittinen <mazziesaccount@...il.com>,
        Maxime Ripard <maxime@...no.tech>,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        Stephen Boyd <sboyd@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Daniel Latypov <dlatypov@...gle.com>,
        Rae Moar <rmoar@...gle.com>,
        Benjamin Berg <benjamin@...solutions.net>
Cc:     David Gow <davidgow@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Jonathan Cameron <jic23@...nel.org>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com
Subject: [PATCH v1 2/3] kunit: executor_test: Use kunit_add_action()

Now we have the kunit_add_action() function, we can use it to implement
kfree_at_end() and free_subsuite_at_end() without the need for extra
helper functions.

Signed-off-by: David Gow <davidgow@...gle.com>
---

Changes since RFCv2:
https://lore.kernel.org/linux-kselftest/20230331080411.981038-3-davidgow@google.com/
- Don't use the no-longer-extant kunit_defer_func_t typedef.
- Don't pass a GFP pointer in.

---
 lib/kunit/executor_test.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/lib/kunit/executor_test.c b/lib/kunit/executor_test.c
index 0cea31c27b23..fd3ba4d74a66 100644
--- a/lib/kunit/executor_test.c
+++ b/lib/kunit/executor_test.c
@@ -125,11 +125,6 @@ kunit_test_suites(&executor_test_suite);
 
 /* Test helpers */
 
-static void kfree_res_free(struct kunit_resource *res)
-{
-	kfree(res->data);
-}
-
 /* Use the resource API to register a call to kfree(to_free).
  * Since we never actually use the resource, it's safe to use on const data.
  */
@@ -138,8 +133,10 @@ static void kfree_at_end(struct kunit *test, const void *to_free)
 	/* kfree() handles NULL already, but avoid allocating a no-op cleanup. */
 	if (IS_ERR_OR_NULL(to_free))
 		return;
-	kunit_alloc_resource(test, NULL, kfree_res_free, GFP_KERNEL,
-			     (void *)to_free);
+
+	kunit_add_action(test,
+			(void (*)(void *))kfree,
+			(void *)to_free);
 }
 
 static struct kunit_suite *alloc_fake_suite(struct kunit *test,
-- 
2.40.0.634.g4ca3ef3211-goog