linux-kernel - Re: [Letux-kernel] BUG: drivers/pinctrl/core: races in pinctrl

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Message-ID: <20180618115122.GT26255@atomide.com>
Date:   Mon, 18 Jun 2018 04:51:22 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Christ van Willegen <cvwillegen@...il.com>
Cc:     Discussions about the Letux Kernel <letux-kernel@...nphoenux.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        kernel@...a-handheld.com
Subject: Re: [Letux-kernel] BUG: drivers/pinctrl/core: races in
 pinctrl_groups and deferred probing

* Christ van Willegen <cvwillegen@...il.com> [180618 10:01]:
> > --- a/drivers/pinctrl/core.c
> > +++ b/drivers/pinctrl/core.c
> > +               if (!strcmp(function, gname))
> 
> 
> This could never fail? gname guaranteed to never == NULL?

Thanks I'll add checks to make sure we always have a valid
name for new functions and groups added.

Regards,

Tony