VF_STOPPED
vf->state != VF_STOPPED) {
if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
p_vf->state = VF_STOPPED;
p_vf->state = VF_STOPPED;
p_vf->state = VF_STOPPED;
return p_vf_info->state == VF_STOPPED;
return (p_vf->state != VF_FREE && p_vf->state != VF_STOPPED);
vf->state = VF_STOPPED;