lkml.org 
[lkml]   [2020]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v6 3/5] kernel/cpu_pm: Fix uninitted local in cpu_pm
On Thu 14 May 19:32 PDT 2020, Doug Anderson wrote:

> Hi,
>
> On Mon, May 4, 2020 at 10:50 AM Douglas Anderson <dianders@chromium.org> wrote:
> >
> > cpu_pm_notify() is basically a wrapper of notifier_call_chain().
> > notifier_call_chain() doesn't initialize *nr_calls to 0 before it
> > starts incrementing it--presumably it's up to the callers to do this.
> >
> > Unfortunately the callers of cpu_pm_notify() don't init *nr_calls.
> > This potentially means you could get too many or two few calls to
> > CPU_PM_ENTER_FAILED or CPU_CLUSTER_PM_ENTER_FAILED depending on the
> > luck of the stack.
> >
> > Let's fix this.
> >
> > Fixes: ab10023e0088 ("cpu_pm: Add cpu power management notifiers")
> > Signed-off-by: Douglas Anderson <dianders@chromium.org>
> > Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> > ---
> > This seems to be an ownerless file. I'm hoping this patch can just go
> > through the Qualcomm tree. It would be nice if we could get an Ack
> > from Rafael or Greg KH though.
>
> Greg / Rafael: any thoughts on this patch? Care to give it an Ack so
> it could go through the Qualcomm tree?
>
> Andrew: I think you are the adopter or orphan patches, usually. If
> nobody else will take this patch, will you consider taking it into
> your tree? It should be a super straightforward bugfix. I'm happy to
> re-post it CCing you if need be.
>

Thanks for the patch and the reviews. I've picked all 5 patches through
my tree, with the added stable@ Cc on this one.

Regards,
Bjorn

\
 
 \ /
  Last update: 2020-05-15 20:52    [W:0.065 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site