Re: [PATCH] kunit: fix kernel-doc warnings in doc. build

From: Daniel Latypov
Date: Tue Oct 05 2021 - 12:21:23 EST


On Mon, Oct 4, 2021 at 10:30 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>
> Fix documentation build warnings in <kunit/test.h>:
>
> ../include/kunit/test.h:616: warning: Function parameter or member 'flags' not described in 'kunit_kmalloc_array'
> ../include/kunit/test.h:616: warning: Excess function parameter 'gfp' description in 'kunit_kmalloc_array'
> ../include/kunit/test.h:661: warning: Function parameter or member 'flags' not described in 'kunit_kcalloc'
> ../include/kunit/test.h:661: warning: Excess function parameter 'gfp' description in 'kunit_kcalloc'
>
> Fixes: 0a756853586c ("kunit: test: add test resource management API")
> Fixes: 7122debb4367 ("kunit: introduce kunit_kmalloc_array/kunit_kcalloc() helpers")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
> Cc: linux-kselftest@xxxxxxxxxxxxxxx
> Cc: kunit-dev@xxxxxxxxxxxxxxxx
> Cc: Daniel Latypov <dlatypov@xxxxxxxxxx>
> Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> ---
> include/kunit/test.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> --- lnx-515-rc4.orig/include/kunit/test.h
> +++ lnx-515-rc4/include/kunit/test.h
> @@ -607,7 +607,7 @@ void kunit_remove_resource(struct kunit
> * @test: The test context object.
> * @n: number of elements.
> * @size: The size in bytes of the desired memory.
> - * @gfp: flags passed to underlying kmalloc().
> + * @flags: gfp flags passed to underlying kmalloc().

Thanks for catching this.
But can we instead rename the parameters?
I can send out a patch for that if you'd prefer.

The other funcs here use `gfp_t gfp`, which is why this copy-pasted
comment does too.
In test.c, kmalloc_array() actually calls the parameter `gfp` as well.

> *
> * Just like `kmalloc_array(...)`, except the allocation is managed by the test case
> * and is automatically cleaned up after the test case concludes. See &struct
> @@ -653,7 +653,7 @@ static inline void *kunit_kzalloc(struct
> * @test: The test context object.
> * @n: number of elements.
> * @size: The size in bytes of the desired memory.
> - * @gfp: flags passed to underlying kmalloc().
> + * @flags: gfp flags passed to underlying kmalloc().
> *
> * See kcalloc() and kunit_kmalloc_array() for more information.
> */