diff --git a/fs/filesystems.c b/fs/filesystems.c
index b03f57b..9135646 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
+#include <linux/fs_parser.h>
 
 /*
  * Handling of filesystem drivers list.
@@ -73,6 +74,9 @@
 	int res = 0;
 	struct file_system_type ** p;
 
+	if (fs->parameters && !fs_validate_description(fs->parameters))
+		return -EINVAL;
+
 	BUG_ON(strchr(fs->name, '.'));
 	if (fs->next)
 		return -EBUSY;