the variable chan is dereferenced in line 190, so it is no reason to check
null again in line 198.
Signed-off-by: NCong Ding <dinggnu@gmail.com>
Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>