diff --git a/cmdline/device.c b/cmdline/device.c
index cc20740a..1d4d572f 100644
--- a/cmdline/device.c
+++ b/cmdline/device.c
@@ -944,15 +944,19 @@ void state_device(struct snapraid_state* state, int operation, tommy_list* filte
 		ret = devquery(&high, &low, operation, others);
 	}
 
+	/* if the list is empty, it's not supported in this platform */
+	if (ret == 0 && tommy_list_empty(&low))
+		ret = -1;
+
 	if (ret != 0) {
 		const char* ope = 0;
 		switch (operation) {
 		case DEVICE_UP : ope = "Spinup"; break;
 		case DEVICE_DOWN : ope = "Spindown"; break;
-		case DEVICE_LIST : ope = "List"; break;
-		case DEVICE_SMART : ope = "SMART"; break;
+		case DEVICE_LIST : ope = "Device listing"; break;
+		case DEVICE_SMART : ope = "Smart"; break;
 		}
-		log_fatal("%s unsupported in this platform.\n", ope);
+		log_fatal("%s is unsupported in this platform.\n", ope);
 	} else {
 		if (operation == DEVICE_LIST) {
 			for (i = tommy_list_head(&low); i != 0; i = i->next) {
diff --git a/cmdline/unix.c b/cmdline/unix.c
index 5d1324be..2776e072 100644
--- a/cmdline/unix.c
+++ b/cmdline/unix.c
@@ -759,6 +759,7 @@ static int devscan(tommy_list* list)
 /**
  * Get SMART attributes.
  */
+#if HAVE_LINUX_DEVICE
 static int devsmart(dev_t device, const char* name, const char* custom, uint64_t* smart, char* serial)
 {
 	char cmd[128];
@@ -816,6 +817,7 @@ static int devsmart(dev_t device, const char* name, const char* custom, uint64_t
 
 	return 0;
 }
+#endif
 
 /**
  * Spin down a specific device.
@@ -993,6 +995,7 @@ static void* thread_spindown(void* arg)
  */
 static void* thread_smart(void* arg)
 {
+#if HAVE_LINUX_DEVICE
 	devinfo_t* devinfo = arg;
 
 	if (devsmart(devinfo->device, devinfo->name, devinfo->smartctl, devinfo->smart, devinfo->smart_serial) != 0) {
@@ -1002,6 +1005,10 @@ static void* thread_smart(void* arg)
 	}
 
 	return 0;
+#else
+	(void)arg;
+	return (void*)-1;
+#endif
 }
 
 static int device_thread(tommy_list* list, void* (*func)(void* arg))