All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Subject: Re: [PATCH] driver-core: platform: Catch errors from calls to irq_get_irq_data
Date: Wed, 14 Sep 2016 11:44:56 +0200	[thread overview]
Message-ID: <20160914094456.GA5826@kroah.com> (raw)
In-Reply-To: <CACRpkdYSr-4wbsupAPa6Q1nd6THf9YS4TMYa5OqMzF6GNOBMxg@mail.gmail.com>

On Wed, Sep 14, 2016 at 11:06:08AM +0200, Linus Walleij wrote:
> On Wed, Sep 14, 2016 at 5:32 AM, Guenter Roeck <linux@roeck-us.net> wrote:
> 
> > irq_get_irq_data() can return NULL, which results in a nasty crash.
> > Check its return value before passing it on to irqd_set_trigger_type().
> >
> > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> 
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> 
> Should probably be tagged for stable.

Why, are there any systems that are currently broken without this change
right now?

thanks,

greg k-h

  reply	other threads:[~2016-09-14  9:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  3:32 [PATCH] driver-core: platform: Catch errors from calls to irq_get_irq_data Guenter Roeck
2016-09-14  9:06 ` Linus Walleij
2016-09-14  9:44   ` Greg Kroah-Hartman [this message]
2016-09-14 11:12     ` Linus Walleij
2016-09-14 14:29     ` Guenter Roeck

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160914094456.GA5826@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=vladimir_zapolskiy@mentor.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.