linux-kernel - Re: [PATCH 2/3] leds/class: Check snprintf return value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAMuHMdXdtWvMazm12Kr3TGf=gWjMqqTaCr-t6W7yQscveVeTrA@mail.gmail.com>
Date:	Mon, 30 Mar 2015 10:59:00 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] leds/class: Check snprintf return value

On Mon, Mar 30, 2015 at 10:55 AM, Ricardo Ribalda Delgado
<ricardo.ribalda@...il.com> wrote:
> --- a/drivers/leds/led-class.c
> +++ b/drivers/leds/led-class.c
> @@ -223,12 +223,17 @@ static int led_classdev_next_name(const char *init_name, char *name,
>                                   size_t len)
>  {
>         int i = 0;
> +       int ret = 0;
>
>         strlcpy(name, init_name, len);
>
> -       while (class_find_device(leds_class, NULL, name, match_name))
> +       while (class_find_device(leds_class, NULL, name, match_name) &&
> +              (ret < len))
>                 snprintf(name, len, "%s_%d", init_name, ++i);

Missing "ret = "

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/