mpt2sas: return -ENOMEM if memory allocation failed.

index d3326e7..287f845 100644
@@ -3577,8 +3577,10 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 
 	ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
 	    sizeof(Mpi2PortFactsReply_t), GFP_KERNEL);
-	if (!ioc->pfacts)
+	if (!ioc->pfacts) {
+		r = -ENOMEM;
 		goto out_free_resources;
+	}
 
 	for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
 		r = _base_get_port_facts(ioc, i, CAN_SLEEP);

@@ -3624,6 +3626,13 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
 	mutex_init(&ioc->ctl_cmds.mutex);
 
+	if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
+	    !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
+	    !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
+		r = -ENOMEM;
+		goto out_free_resources;
+	}
+
 	init_completion(&ioc->shost_recovery_done);
 
 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)