diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 9bfd05b361ea..6ec4a4176e73 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -38,6 +38,7 @@
 #include "comedi_internal.h"
 
 struct comedi_driver *comedi_drivers;
+/* protects access to comedi_drivers */
 DEFINE_MUTEX(comedi_drivers_list_lock);
 
 int comedi_set_hw_dev(struct comedi_device *dev, struct device *hw_dev)
@@ -566,8 +567,9 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			dev->board_ptr = comedi_recognize(driv, it->board_name);
 			if (dev->board_ptr)
 				break;
-		} else if (strcmp(driv->driver_name, it->board_name) == 0)
+		} else if (strcmp(driv->driver_name, it->board_name) == 0) {
 			break;
+		}
 		module_put(driv->module);
 	}
 	if (driv == NULL) {