From: Jiri Bohac <jbo...@suse.cz> Date: Tue, 18 Oct 2016 17:01:54 +0200
> Commit 76506a986dc31394fd1f2741db037d29c7e57843 (IPv6: fix
> DESYNC_FACTOR) introduced a buggy check for underflow of
> tmp_prefered_lft. tmp_prefered_lft is unsigned, so the condition
> is always false.
>
> Signed-off-by: Jiri Bohac <jbo...@suse.cz>
> Reported-by: Julia Lawall <julia.law...@lip6.fr>
> Fixes: 76506a986dc3 ("IPv6: fix DESYNC_FACTOR")
Does the check make any sense at all? I'd say just remove it.
