Hi Greg,

On Tue, 17 Dec 2019 13:06:29 +0100 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>
> On Tue, Dec 17, 2019 at 01:55:27PM +0200, Alexander Shishkin wrote:
> > Commit 6cac7866c2741 ("intel_th: msu: Add a sysfs attribute to trigger
> > window switch") adds a NULL pointer dereference in the case when there are
> > no windows allocated:  
> 
> Commit ids should only be specified in 12 digits, not 13 :)

It is possible that 13 digits may be necessary to be unambiguous within
a git repo.  In fact, as we continue with a single git repo (Linus'), at
some point 13 digits will become normal.

-- 
Cheers,
Stephen Rothwell