diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index d97597e..0cda53a 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1593,16 +1593,15 @@
 
 void scsi_rescan_device(struct device *dev)
 {
-	struct scsi_driver *drv;
-	
 	if (!dev->driver)
 		return;
 
-	drv = to_scsi_driver(dev->driver);
-	if (try_module_get(drv->owner)) {
+	if (try_module_get(dev->driver->owner)) {
+		struct scsi_driver *drv = to_scsi_driver(dev->driver);
+
 		if (drv->rescan)
 			drv->rescan(dev);
-		module_put(drv->owner);
+		module_put(dev->driver->owner);
 	}
 }
 EXPORT_SYMBOL(scsi_rescan_device);