diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 31b9af2..709a6f7 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -295,11 +295,14 @@
 	case FANOUT_DEV:
 		error = sas_discover_root_expander(dev);
 		break;
-#ifdef CONFIG_SCSI_SAS_ATA
 	case SATA_DEV:
 	case SATA_PM:
+#ifdef CONFIG_SCSI_SAS_ATA
 		error = sas_discover_sata(dev);
 		break;
+#else
+		SAS_DPRINTK("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
+		/* Fall through */
 #endif
 	default:
 		error = -ENXIO;