From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Kees Cook <keescook@chromium.org>,
linux-serial <linux-serial@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 05/11] tty: vt: remove char32_t typedef
Date: Thu, 12 Jan 2023 11:34:20 +0200 (EET) [thread overview]
Message-ID: <fb363e72-b85-c20-4b95-e4fce2dad46@linux.intel.com> (raw)
In-Reply-To: <20230112080136.4929-5-jirislaby@kernel.org>
On Thu, 12 Jan 2023, Jiri Slaby (SUSE) wrote:
> It boils down to uint32_t, so use u32 directly, instead. This makes the
> code more obvious.
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
> ---
> drivers/tty/vt/vt.c | 26 ++++++++++++--------------
> 1 file changed, 12 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
> index 3ae0212f1aa7..86c18522231b 100644
> --- a/drivers/tty/vt/vt.c
> +++ b/drivers/tty/vt/vt.c
> @@ -550,7 +548,7 @@ void vc_uniscr_copy_line(const struct vc_data *vc, void *dest, bool viewed,
> */
> row = (pos - vc->vc_origin) / vc->vc_size_row;
> col = ((pos - vc->vc_origin) % vc->vc_size_row) / 2;
> - memcpy(dest, &uniscr->lines[row][col], nr * sizeof(char32_t));
> + memcpy(dest, &uniscr->lines[row][col], nr * sizeof(u32));
Btw, could this be ... * sizeof(**uniscr->lines) instead? It would seem
slightly safer here.
--
i.
next prev parent reply other threads:[~2023-01-12 9:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-12 8:01 [PATCH 01/11] tty: vt: remove vc_uniscr_debug_check() Jiri Slaby (SUSE)
2023-01-12 8:01 ` [PATCH 02/11] tty: vt: drop get_vc_uniscr() Jiri Slaby (SUSE)
2023-01-12 8:41 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 03/11] tty: vt: remove reference to undefined NO_VC_UNI_SCREEN Jiri Slaby (SUSE)
2023-01-12 8:44 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 04/11] tty: vt: use sizeof(*variable) where possible Jiri Slaby (SUSE)
2023-01-12 8:58 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 05/11] tty: vt: remove char32_t typedef Jiri Slaby (SUSE)
2023-01-12 8:52 ` Ilpo Järvinen
2023-01-12 9:34 ` Ilpo Järvinen [this message]
2023-01-12 8:01 ` [PATCH 06/11] tty: vt: remove struct uni_screen Jiri Slaby (SUSE)
2023-01-12 9:42 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 07/11] tty: vt: replace BUG_ON() by WARN_ON_ONCE() Jiri Slaby (SUSE)
2023-01-12 9:42 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 08/11] tty: vt: simplify some unicode conditions Jiri Slaby (SUSE)
2023-01-12 9:52 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 09/11] tty: vt: separate array juggling to juggle_array() Jiri Slaby (SUSE)
2023-01-12 10:15 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 10/11] tty: vt: saner names for more scroll variables Jiri Slaby (SUSE)
2023-01-12 9:59 ` Ilpo Järvinen
2023-01-12 8:01 ` [PATCH 11/11] tty: vt: cache row count in con_scroll() Jiri Slaby (SUSE)
2023-01-12 10:00 ` Ilpo Järvinen
2023-01-12 8:43 ` [PATCH 01/11] tty: vt: remove vc_uniscr_debug_check() Ilpo Järvinen
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