From: Stanislaw Gruszka <stf_xl@wp.pl>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Helmut Schaa <helmut.schaa@googlemail.com>,
Kalle Valo <kvalo@kernel.org>
Subject: Re: [PATCH] wifi: rt2x00: use explicitly signed type for clamping
Date: Wed, 19 Oct 2022 10:52:19 +0200 [thread overview]
Message-ID: <20221019085219.GA81503@wp.pl> (raw)
In-Reply-To: <20221018202734.140489-1-Jason@zx2c4.com>
On Tue, Oct 18, 2022 at 02:27:34PM -0600, Jason A. Donenfeld wrote:
> On some platforms, `char` is unsigned, which makes casting -7 to char
> overflow, which in turn makes the clamping operation bogus. Instead,
> deal with an explicit `s8` type, so that the comparison is always
> signed, and return an s8 result from the function as well. Note that
> this function's result is assigned to a `short`, which is always signed.
>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Stanislaw Gruszka <stf_xl@wp.pl>
> Cc: Helmut Schaa <helmut.schaa@googlemail.com>
> Cc: Kalle Valo <kvalo@kernel.org>
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
I prefer s8 just because is shorter name than short :-)
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
next prev parent reply other threads:[~2022-10-19 14:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 17:27 [akpm-mm:mm-nonmm-unstable 36/41] include/linux/build_bug.h:16:51: error: negative width in bit-field '<anonymous>' kernel test robot
2022-10-18 20:27 ` [PATCH] wifi: rt2x00: use explicitly signed type for clamping Jason A. Donenfeld
2022-10-18 20:40 ` Andy Shevchenko
2022-10-18 20:52 ` Jason A. Donenfeld
2022-10-18 20:57 ` Andy Shevchenko
2022-10-18 20:58 ` Jason A. Donenfeld
2022-10-18 21:10 ` Andy Shevchenko
2022-10-19 8:01 ` David Laight
2022-10-18 21:07 ` Andrew Morton
2022-10-19 8:14 ` [PATCH v2] wifi: rt2x00: use explicitly signed or unsigned types Jason A. Donenfeld
2022-10-19 9:00 ` Stanislaw Gruszka
2022-10-19 15:54 ` Jason A. Donenfeld
2022-10-19 15:55 ` [PATCH v3] " Jason A. Donenfeld
2022-10-20 10:29 ` Stanislaw Gruszka
2022-10-20 10:36 ` Kalle Valo
2022-10-21 6:48 ` Kalle Valo
2022-10-21 6:58 ` Kalle Valo
2022-10-21 7:00 ` Kalle Valo
2022-10-19 8:52 ` Stanislaw Gruszka [this message]
2022-10-19 11:04 ` [PATCH] wifi: rt2x00: use explicitly signed type for clamping Andy Shevchenko
2022-10-20 10:40 ` Stanislaw Gruszka
2022-10-18 20:40 ` [akpm-mm:mm-nonmm-unstable 36/41] include/linux/build_bug.h:16:51: error: negative width in bit-field '<anonymous>' Andy Shevchenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221019085219.GA81503@wp.pl \
--to=stf_xl@wp.pl \
--cc=Jason@zx2c4.com \
--cc=akpm@linux-foundation.org \
--cc=andriy.shevchenko@linux.intel.com \
--cc=helmut.schaa@googlemail.com \
--cc=kvalo@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.