diff -urN utils/hcid/security.c utils-mh/hcid/security.c
--- utils/hcid/security.c	2004-02-17 19:34:30.000000000 +0100
+++ utils-mh/hcid/security.c	2004-02-21 15:15:53.000000000 +0100
@@ -365,9 +365,9 @@
 
 gboolean io_security_event(GIOChannel *chan, GIOCondition cond, gpointer data)
 {
-	char buf[HCI_MAX_EVENT_SIZE], *ptr = buf;
+	unsigned char buf[HCI_MAX_EVENT_SIZE], *ptr = buf;
 	struct hci_dev_info *di = (void *) data;
-	int len, type, dev;
+	int len, dev;
 	hci_event_hdr *eh;
 	GIOError err;
 
@@ -385,11 +385,11 @@
 		return FALSE;
 	}
 
-	type = *ptr++;
-
-	if (type != HCI_EVENT_PKT)
+	if (buf[0] != HCI_EVENT_PKT)
 		return TRUE;
 
+	ptr++;
+
 	eh = (hci_event_hdr *) ptr;
 	ptr += HCI_EVENT_HDR_SIZE;