From: Pavel Emelyanov <email@example.com>
Date: Thu, 18 Oct 2007 15:53:52 +0400
> This routine scans the ipv6_fl_list whose update is
> protected with the socket lock and the ip6_sk_fl_lock.
> Since the socket lock is not taken in the lookup, use
> the other one.
> Signed-off-by: Pavel Emelyanov <firstname.lastname@example.org>
But I notice that I was wrong in my email, we don't
hold the socket lock here.
What prevents an unlink from the socket's list
and thus a reference count of zero occurring for
a brief moment?