Fix the checkpatch.pl --strict issues:
CHECK: DEFINE_MUTEX definition without comment
CHECK: braces {} should be used on all arms of this statement
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 #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)
                        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) {