Re: [PATCH] cpufreq: Fix NULL reference crash while accessing policy->governor_data
From: Rafael J. Wysocki
Date: Tue Jan 26 2016 - 17:49:01 EST
On Tuesday, January 26, 2016 06:01:19 PM Juri Lelli wrote:
> On 26/01/16 09:57, Juri Lelli wrote:
> > Hi Viresh,
> > On 25/01/16 22:33, Viresh Kumar wrote:
> > > There is a little race discovered by Juri, where we are able to:
> > > - create and read a sysfs file before policy->governor_data is being set
> > > to a non NULL value.
> > > OR
> > > - set policy->governor_data to NULL, and reading a file before being
> > > destroyed.
> > >
> So, this goes away with your patch (that I forward ported) and a small
> additional fix on top of that.
Which patch exactly is that?