netdev - Re: [PATCH net-next] mdio_bus: Remove unneeded gpiod NULL check

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]

Date:   Wed, 19 Jul 2017 19:37:09 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Fabio Estevam <fabio.estevam@....com>
Subject: Re: [PATCH net-next] mdio_bus: Remove unneeded gpiod NULL check

Hi Andrew,

On Tue, Jul 18, 2017 at 10:32 AM, Andrew Lunn <andrew@...n.ch> wrote:

> http://elixir.free-electrons.com/linux/latest/source/include/linux/gpio/consumer.h#L345
> static inline void gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
> {
>         /* GPIO can never have been requested */
>         WARN_ON(1);
> }
>
> But i would say this is a gpio problem. If GPIO enabled does not care,
> GPIO disabled should also not care.

Agreed.

Sergei, sorry for taking so long to understand your point.

> Adding Linus Walleij.

Just sent a RFC patch to linux-gpio.

Thanks