Re: PATCH 1/1] AX.25: Close socket connection on session completion

[David Miller]

From: Basil Gunn <basil@xxxxxxxxxxxxx>
Date: Thu, 16 Jun 2016 09:42:30 -0700

> A socket connection made in ax.25 is not closed when session is
> completed.  The heartbeat timer is stopped prematurely and this is
> where the socket gets closed. Allow heatbeat timer to run to close
> socket. Symptom occurs in kernels >= 4.2.0
> 
> Originally sent 6/15/2016. Resend with distribution list matching
> scripts/maintainer.pl output.
> 
> Signed-off-by: Basil Gunn <basil@xxxxxxxxxxxxx>

What changed in 4.2.x that broke this?