diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 2ead7e78c4568ec7fe50ece74c3109d424efa852..14ba80bfa571bc4b34eb795c85f6725b96f6ad7b 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL_GPL(dasd_nofcx);
  * strings when running as a module.
  */
 static char *dasd[256];
-module_param_array(dasd, charp, NULL, 0);
+module_param_array(dasd, charp, NULL, S_IRUGO);
 
 /*
  * Single spinlock to protect devmap and servermap structures and lists.