smp_zalloc
extern void *smp_zalloc(size_t);
if ((ep = smp_zalloc(sizeof (smp_engine_t))) == NULL) {
if ((tp = smp_zalloc(sizeof (smp_target_t))) == NULL) {
if ((ap = smp_zalloc(len)) == NULL)
if ((pp = smp_zalloc(sizeof (smp_plugin_t))) == NULL) {
if ((dp = smp_zalloc(sizeof (struct usmp_dev))) == NULL)