The macro is

  #define KUNIT_DEFINE_ACTION_WRAPPER(wrapper, orig, arg_type) ...

so it defines "wrapper" which calls orig(arg_type). The example names
them the other way round. Swap the two order.

Fixes: 56778b49c9a2c ("kunit: Add a macro to wrap a deferred action function")
Assisted-by: LLM
Signed-off-by: Kees Cook <kees@kernel.org>
---
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <david@davidgow.net>
Cc: Rae Moar <raemoar63@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: <kunit-dev@googlegroups.com>
Cc: <linux-doc@vger.kernel.org>
---
 Documentation/dev-tools/kunit/usage.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
index 1c78dfff94e8..8fec131f8ee7 100644
--- a/Documentation/dev-tools/kunit/usage.rst
+++ b/Documentation/dev-tools/kunit/usage.rst
@@ -1028,7 +1028,7 @@ with the ``KUNIT_DEFINE_ACTION_WRAPPER()`` macro, for example:
 
 .. code-block:: C
 
-	KUNIT_DEFINE_ACTION_WRAPPER(device_unregister, device_unregister_wrapper, struct device *);
+	KUNIT_DEFINE_ACTION_WRAPPER(device_unregister_wrapper, device_unregister, struct device *);
 	kunit_add_action(test, &device_unregister_wrapper, &dev);
 
 You should do this in preference to manually casting to the ``kunit_action_t`` type,
-- 
2.34.1