linux-kernel - Re: [PATCH resend] sound: Convert strlcpy to strscpy when return value is unused

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Message-ID: <s5hmtxkzkou.wl-tiwai@suse.de>
Date:   Thu, 07 Jan 2021 19:05:53 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Joe Perches <joe@...ches.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        alsa-devel <alsa-devel@...a-project.org>
Subject: Re: [PATCH resend] sound: Convert strlcpy to strscpy when return value is unused

On Mon, 04 Jan 2021 18:17:34 +0100,
Joe Perches wrote:
> 
> strlcpy is deprecated.  see: Documentation/process/deprecated.rst
> 
> Change the calls that do not use the strlcpy return value to the
> preferred strscpy.
> 
> Done with cocci script:
> 
> @@
> expression e1, e2, e3;
> @@
> 
> -	strlcpy(
> +	strscpy(
> 	e1, e2, e3);
> 
> This cocci script leaves the instances where the return value is
> used unchanged.
> 
> After this patch, sound/ has 3 uses of strlcpy() that need to be
> manually inspected for conversion and changed one day.
> 
> $ git grep -w strlcpy sound/
> sound/usb/card.c:               len = strlcpy(card->longname, s, sizeof(card->longname));
> sound/usb/mixer.c:      return strlcpy(buf, p->name, buflen);
> sound/usb/mixer.c:                      return strlcpy(buf, p->names[index], buflen);
> 
> Miscellenea:
> 
> o Remove trailing whitespace in conversion of sound/core/hwdep.c
> 
> Link: https://lore.kernel.org/lkml/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Applied now.  Thanks.


Takashi