linux-kernel - Re: [PATCH 02/37] binder: use group leader instead of open thread

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Date:   Mon, 3 Jul 2017 11:17:39 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Todd Kjos <tkjos@...roid.com>
Cc:     arve@...roid.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, maco@...gle.com, tkjos@...gle.com
Subject: Re: [PATCH 02/37] binder: use group leader instead of open thread

On Thu, Jun 29, 2017 at 12:01:36PM -0700, Todd Kjos wrote:
> The binder allocator assumes that the thread that
> called binder_open will never die for the lifetime of
> that proc. That thread is normally the group_leader,
> however it may not be. Use the group_leader instead
> of current.
> 
> Signed-off-by: Todd Kjos <tkjos@...gle.com>
> ---
>  drivers/android/binder.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

This should be backported to older kernels, right?  How far back?  Same
for patch 01/37, right?

thanks,

greg k-h