linux-kernel - Re: [PATCH] io_uring: Fix incorrect variable type in io_fixed_fd

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Message-ID: <7427ccc1-c830-56c1-1577-dee5afff3809@kernel.dk>
Date:   Thu, 12 May 2022 06:21:19 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Wan Jiabing <wanjiabing@...o.com>,
        Pavel Begunkov <asml.silence@...il.com>,
        io-uring@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] io_uring: Fix incorrect variable type in
 io_fixed_fd_install

On 5/12/22 6:05 AM, Wan Jiabing wrote:
> Fix following coccicheck warning:
> fs/io_uring.c:5352:15-24: WARNING: Unsigned expression compared with zero: file_slot < 0
> 
> 'file_slot' is an unsigned variable and it can't be less than 0.
> Use 'ret' instead to check the error code from io_file_bitmap_get().
> 
> And using bool to declare 'alloc_slot' makes the code better.  

Thanks, I'm going to fold this one in.

-- 
Jens Axboe