linux-kernel - Re: [PATCH] media: stv0288: use explicitly signed char

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Message-ID: <CAHmME9rc08gSe7+keO3dGicqtOW629ofEGjWKdDGGASNq-CqxQ@mail.gmail.com>
Date:   Fri, 11 Nov 2022 03:50:12 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: stv0288: use explicitly signed char

Hi Mauro,

On Wed, Nov 2, 2022 at 3:47 AM Jason A. Donenfeld <Jason@...c4.com> wrote:
>
> Hi Mauro,
>
> On Mon, Oct 24, 2022 at 6:28 PM Jason A. Donenfeld <Jason@...c4.com> wrote:
> >
> > With char becoming unsigned by default, and with `char` alone being
> > ambiguous and based on architecture, signed chars need to be marked
> > explicitly as such. Use `s8` and `u8` types here, since that's what
> > surrounding code does. This fixes:
> >
> > drivers/media/dvb-frontends/stv0288.c:471 stv0288_set_frontend() warn: assigning (-9) to unsigned variable 'tm'
> > drivers/media/dvb-frontends/stv0288.c:471 stv0288_set_frontend() warn: we never enter this loop
> >
> > Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> > Cc: linux-media@...r.kernel.org
> > Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
>
> Was wondering whether you planned on taking this into your tree as a
> 6.1 fix for Linus for rc4?

Thought I should follow up with you about this again.

Thanks,
Jason