--- zzzz-none-000/linux-2.6.32.61/net/bluetooth/hci_sock.c	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/net/bluetooth/hci_sock.c	2010-04-08 11:00:21.000000000 +0000
@@ -576,7 +576,6 @@
 		{
 			struct hci_filter *f = &hci_pi(sk)->filter;
 
-			memset(&uf, 0, sizeof(uf));
 			uf.type_mask = f->type_mask;
 			uf.opcode    = f->opcode;
 			uf.event_mask[0] = *((u32 *) f->event_mask + 0);