Fix checking for a NULL pointer after using the pointer. Change-Id: I0ead14916ec677c97afb53f4c31a903e71fbc70f Reviewed-on: https://chromium-review.googlesource.com/185862 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>