Index: wireless-testing/include/linux/hw_random.h
===================================================================
--- wireless-testing.orig/include/linux/hw_random.h
+++ wireless-testing/include/linux/hw_random.h
@@ -38,6 +38,7 @@ struct hwrng {
 	int (*data_read)(struct hwrng *rng, u32 *data);
 	int (*read)(struct hwrng *rng, void *data, size_t max, bool wait);
 	unsigned long priv;
+	char junk[12];
 
 	/* internal. */
 	struct list_head list;