linux-kernel - Re: protected pins and debugfs

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: <153897864285.119890.13024399324598460044@swboyd.mtv.corp.google.com>
Date:   Sun, 07 Oct 2018 23:04:02 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Sodagudi Prasad <psodagud@...eaurora.org>,
        bjorn.andersson@...aro.org, linus.walleij@...aro.org,
        linux-gpio@...r.kernel.org, sboyd@...eaurora.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: Re: protected pins and debugfs

Quoting Sodagudi Prasad (2018-10-03 05:38:24)
> 
>          for (i = 0; i < chip->ngpio; i++, gpio++) {
> +               label = gpiochip_is_requested(chip, i);
> +               if (!label)
> +                       continue;
>                  msm_gpio_dbg_show_one(s, NULL, chip, i, gpio);
> -               seq_puts(s, "\n");
>          }
>   }
> 

Does something not work with the following code in
msm_gpio_dbg_show_one()?


        if (!gpiochip_line_is_valid(chip, offset))
		return;