linux-kernel - Re: [PATCH] ublk: return unsigned from ublk_{,un}map

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Message-ID: <CAFj5m9+P9FmNk6kQb6GUgFvTwGm9orGF1ycnvSxGk5QiYx7Lpw@mail.gmail.com>
Date: Sat, 8 Nov 2025 22:52:55 +0800
From: Ming Lei <ming.lei@...hat.com>
To: Caleb Sander Mateos <csander@...estorage.com>
Cc: Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ublk: return unsigned from ublk_{,un}map_io()

On Sat, Nov 8, 2025 at 12:23 PM Caleb Sander Mateos
<csander@...estorage.com> wrote:
>
> ublk_map_io() and ublk_unmap_io() never return negative values, and
> their return values are stored in variables of type unsigned. Clarify
> that they can't fail by making their return types unsigned.
>
> Signed-off-by: Caleb Sander Mateos <csander@...estorage.com>

Reviewed-by: Ming Lei <ming.lei@...hat.com>