linux-kernel - Re: [GIT PULL] SPI fixes for v5.17-rc7

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Message-ID: <CAHk-=wgN6bYPgaB7g0zGXQ5HnbVQ9910o9OQMBLs_S_ax4H67A@mail.gmail.com>
Date:   Thu, 10 Mar 2022 04:25:34 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] SPI fixes for v5.17-rc7

On Thu, Mar 10, 2022 at 4:13 AM Mark Brown <broonie@...nel.org> wrote:
>
> One fix for type conversion issues when working out maximum
> scatter/gather segment sizes which caused problems for some systems
> which where the limits overflow due to the type conversion.

Side note: 'ctrl->max_dma_len' is a 'size_t', so even 'unsigned int'
isn't necessarily a sufficient type.

Not that I see anything setting it to values that would cause
problems, but it looks conceptually like a similar problem as that
'max_seg_size' thing was.

                    Linus