Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4;
Date:   Tue, 05 Dec 2023 15:31:34 +0800
In-Reply-To: <20231205-kunit_bus-v1-0-635036d3bc13@google.com>
Mime-Version: 1.0
References: <20231205-kunit_bus-v1-0-635036d3bc13@google.com>
Message-ID: <20231205-kunit_bus-v1-2-635036d3bc13@google.com>
Subject: [PATCH 2/4] fortify: test: Use kunit_device
From:   davidgow@google.com
To:     Rae Moar <rmoar@google.com>,
        Brendan Higgins <brendan.higgins@linux.dev>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Matti Vaittinen <mazziesaccount@gmail.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Kees Cook <keescook@chromium.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>,
        Maxime Ripard <mripard@kernel.org>
Cc:     linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-hardening@vger.kernel.org, linux-sound@vger.kernel.org,
        David Gow <davidgow@google.com>
Content-Type: text/plain; charset="utf-8"
Precedence: bulk

Using struct root_device to create fake devices for tests is something
of a hack. The new struct kunit_device is meant for this purpose, so use
it instead.

Signed-off-by: David Gow <davidgow@google.com>
---
 lib/fortify_kunit.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/fortify_kunit.c b/lib/fortify_kunit.c
index c8c33cbaae9e..f7a1fce8849b 100644
--- a/lib/fortify_kunit.c
+++ b/lib/fortify_kunit.c
@@ -16,6 +16,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <kunit/test.h>
+#include <kunit/device.h>
 #include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/string.h>
@@ -269,7 +270,7 @@ DEFINE_ALLOC_SIZE_TEST_PAIR(kvmalloc)
 	size_t len;							\
 									\
 	/* Create dummy device for devm_kmalloc()-family tests. */	\
-	dev = root_device_register(dev_name);				\
+	dev = kunit_device_register(test, dev_name);			\
 	KUNIT_ASSERT_FALSE_MSG(test, IS_ERR(dev),			\
 			       "Cannot register test device\n");	\
 									\
@@ -303,7 +304,7 @@ DEFINE_ALLOC_SIZE_TEST_PAIR(kvmalloc)
 	checker(len, devm_kmemdup(dev, "Ohai", len, gfp),		\
 		devm_kfree(dev, p));					\
 									\
-	device_unregister(dev);						\
+	kunit_device_unregister(test, dev);				\
 } while (0)
 DEFINE_ALLOC_SIZE_TEST_PAIR(devm_kmalloc)
 

-- 
2.43.0.rc2.451.g8631bc7472-goog