[PATCH] cgroup: remove redundant check

[Tejun Heo]

On Thu, Dec 20, 2012 at 02:11:31PM -0500, Sasha Levin wrote:
> We already know that 'event' is non-NULL, remove the redundant check.
> 
> Signed-off-by: Sasha Levin <sasha.levin at oracle.com>

I don't know.  I kinda like that test there.  It's not an error path
and tearing down everything which could have been allocated.  If the
test not being used is bothering, convert return -ENOMEM to goto fail?

-- 
tejun