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From: Matthew Sakai <msakai@redhat.com>
To: David Carlier <devnexen@gmail.com>
Cc: dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] dm vdo: use get_random_u32() where appropriate
Date: Mon, 6 Apr 2026 17:14:06 -0400	[thread overview]
Message-ID: <0420fb5b-67ff-4322-a121-d0444b0aedd0@redhat.com> (raw)
In-Reply-To: <20260405154713.4660-1-devnexen@gmail.com>


On 4/5/26 11:47 AM, David Carlier wrote:
> Use the typed random integer helpers instead of
> get_random_bytes() when filling a single integer variable.
> The helpers return the value directly, require no pointer
> or size argument, and better express intent.
> 
> Signed-off-by: David Carlier <devnexen@gmail.com>

Reviewed-by: Matthew Sakai <msakai@redhat.com>

> ---
>   drivers/md/dm-vdo/indexer/index-layout.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/md/dm-vdo/indexer/index-layout.c b/drivers/md/dm-vdo/indexer/index-layout.c
> index 61edf2b72427..8707930c9910 100644
> --- a/drivers/md/dm-vdo/indexer/index-layout.c
> +++ b/drivers/md/dm-vdo/indexer/index-layout.c
> @@ -256,7 +256,7 @@ static void create_unique_nonce_data(u8 *buffer)
>   	u32 rand;
>   	size_t offset = 0;
>   
> -	get_random_bytes(&rand, sizeof(u32));
> +	rand = get_random_u32();
>   	memcpy(buffer + offset, &now, sizeof(now));
>   	offset += sizeof(now);
>   	memcpy(buffer + offset, &rand, sizeof(rand));


      reply	other threads:[~2026-04-06 21:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-05 15:47 David Carlier
2026-04-06 21:14 ` Matthew Sakai [this message]

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