diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 7c0c2c1..4a189da 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -63,6 +63,9 @@
    not there, read bits mean it's readable, write bits mean it's
    writable. */
 #define __module_param_call(prefix, name, set, get, arg, perm)		\
+	/* Default value instead of permissions? */			\
+	static int __param_perm_check_##name __attribute__((unused)) =	\
+	BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2));	\
 	static char __param_str_##name[] = prefix #name;		\
 	static struct kernel_param const __param_##name			\
 	__attribute_used__						\