diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index f17c326..742cbe6 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -179,6 +179,7 @@
 	wait_event(probe_waitqueue, atomic_read(&probe_count) == 0);
 	async_synchronize_full();
 }
+EXPORT_SYMBOL_GPL(wait_for_device_probe);
 
 /**
  * driver_probe_device - attempt to bind device & driver together
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index a14d245..6f51ca4 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -180,8 +180,6 @@
 	spin_unlock(&async_scan_lock);
 
 	kfree(data);
-	/* Synchronize async operations globally */
-	async_synchronize_full();
 	return 0;
 }
 
diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c
index 2f21af2..74708fc 100644
--- a/drivers/scsi/scsi_wait_scan.c
+++ b/drivers/scsi/scsi_wait_scan.c
@@ -11,10 +11,21 @@
  */
 
 #include <linux/module.h>
+#include <linux/device.h>
 #include <scsi/scsi_scan.h>
 
 static int __init wait_scan_init(void)
 {
+	/*
+	 * First we need to wait for device probing to finish;
+	 * the drivers we just loaded might just still be probing
+	 * and might not yet have reached the scsi async scanning
+	 */
+	wait_for_device_probe();
+	/*
+	 * and then we wait for the actual asynchronous scsi scan
+	 * to finish.
+	 */
 	scsi_complete_async_scans();
 	return 0;
 }
diff --git a/include/linux/device.h b/include/linux/device.h
index 2918c0e..6a69caa 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -551,6 +551,7 @@
 extern struct device *get_device(struct device *dev);
 extern void put_device(struct device *dev);
 
+extern void wait_for_device_probe(void);
 
 /* drivers/base/power/shutdown.c */
 extern void device_shutdown(void);