From: Greg KH <greg@kroah.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Richard Purdie <rpurdie@linux.intel.com>,
akpm <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, kernel@pengutronix.de,
stable@kernel.org
Subject: Re: [stable] [PATCH] backlight: grab ops_lock before testing bd->ops
Date: Mon, 22 Nov 2010 09:53:32 -0800 [thread overview]
Message-ID: <20101122175332.GC18808@kroah.com> (raw)
In-Reply-To: <20101122100532.GA4693@pengutronix.de>
On Mon, Nov 22, 2010 at 11:05:32AM +0100, Uwe Kleine-König wrote:
> Hello,
>
> On Mon, Nov 22, 2010 at 09:59:07AM +0000, Richard Purdie wrote:
> > On Mon, 2010-11-22 at 10:43 +0100, Uwe Kleine-König wrote:
> > > According to the comment describing ops_lock in the definition of
> > > struct backlight_device and when comparing with other functions in
> > > backlight.c the mutex must be hold when checking ops to be non-NULL.
> > >
> > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> >
> > Acked-by: Richard Purdie <rpurdie@linux.intel.com>
> The problem was introduced by c835ee7f4154992e6cf0674d7ee136f5d36247a4
> (that is in 2.6.29-rc1). Is this relevant for stable?
Yes.
What is the git commit id of the fix in Linus's tree?
thanks,
greg k-h
next prev parent reply other threads:[~2010-11-22 18:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-22 9:43 [PATCH] backlight: grab ops_lock before testing bd->ops Uwe Kleine-König
2010-11-22 9:59 ` Richard Purdie
2010-11-22 10:05 ` Uwe Kleine-König
2010-11-22 17:53 ` Greg KH [this message]
2010-11-23 8:56 ` [stable] " Uwe Kleine-König
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