Re: [PATCH][next] ALSA: kunit: make read-only array buf_samples static const

From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
To: Colin Ian King <colin.i.king@gmail.com>
Cc: Ivan Orlov <ivan.orlov0322@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	linux-sound@vger.kernel.org, kernel-janitors@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] ALSA: kunit: make read-only array buf_samples static const
Date: Fri, 26 Apr 2024 08:22:50 +0900	[thread overview]
Message-ID: <20240425232250.GA205425@workstation.local> (raw)
In-Reply-To: <20240425160754.114716-1-colin.i.king@gmail.com>

Hi,

On Thu, Apr 25, 2024 at 05:07:54PM +0100, Colin Ian King wrote:
> Don't populate the read-only array buf_samples on the stack at
> run time, instead make it static const.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> ---
>  sound/core/sound_kunit.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/core/sound_kunit.c b/sound/core/sound_kunit.c
> index eb90f62228c0..e34c4317f5eb 100644
> --- a/sound/core/sound_kunit.c
> +++ b/sound/core/sound_kunit.c
> @@ -167,7 +167,7 @@ static void _test_fill_silence(struct kunit *test, struct snd_format_test_data *
>  
>  static void test_format_fill_silence(struct kunit *test)
>  {
> -	u32 buf_samples[] = { 10, 20, 32, 64, 129, SILENCE_BUFFER_MAX_FRAMES };
> +	static const u32 buf_samples[] = { 10, 20, 32, 64, 129, SILENCE_BUFFER_MAX_FRAMES };
>  	u8 *buffer;
>  	u32 i, j;

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

We can see the other similar cases in the kunit file. I'll post the fix
later.

Thanks

Takashi Sakamoto