initialize pointer early in the function
initialize pointer early in the function

otherwise it may be used uninitialized

Signed-off-by: Loic Dachary <b6eae37fc74638590e3f9030895d42446505d41b@dachary.org>

ceph/gf-complete,ceph/gf-complete,ceph/gf-complete,zzxuanyuan/gf-complete,zzxuanyuan/gf-complete,cedricde/gf-complete,cedricde/gf-complete