From 426729f77fa1a749395feafe5d1697ad734036d2 Mon Sep 17 00:00:00 2001
From: Marcelo Araujo <araujo@FreeBSD.org>
Date: Thu, 15 Jun 2017 06:21:01 +0000
Subject: [PATCH] Initialize variables and use byteorder(9) instead of aliasing
 char array buf via uint32_t pointer.

CID:		1375949
Reported by:	Coverity, cem
Reviewed by:	cem
MFC after:	3 weeks
Sponsored by:	iXsystems, Inc.
Differential Revision:	https://reviews.freebsd.org/D11153
---
 usr.sbin/bhyve/rfb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/usr.sbin/bhyve/rfb.c b/usr.sbin/bhyve/rfb.c
index f6acc580aa0..0b312641b2f 100644
--- a/usr.sbin/bhyve/rfb.c
+++ b/usr.sbin/bhyve/rfb.c
@@ -32,6 +32,7 @@ __FBSDID("$FreeBSD$");
 #ifndef WITHOUT_CAPSICUM
 #include <sys/capsicum.h>
 #endif
+#include <sys/endian.h>
 #include <sys/socket.h>
 #include <sys/select.h>
 #include <sys/time.h>
@@ -754,7 +755,7 @@ rfb_handle(struct rfb_softc *rc, int cfd)
 {
 	const char *vbuf = "RFB 003.008\n";
 	unsigned char buf[80];
-	unsigned char *message;
+	unsigned char *message = NULL;
 
 #ifndef NO_OPENSSL
 	unsigned char challenge[AUTH_LENGTH];
@@ -766,7 +767,7 @@ rfb_handle(struct rfb_softc *rc, int cfd)
 #endif
 
 	pthread_t tid;
-	uint32_t sres;
+	uint32_t sres = 0;
 	int len;
 
 	rc->cfd = cfd;
@@ -858,7 +859,7 @@ rfb_handle(struct rfb_softc *rc, int cfd)
 	stream_write(cfd, &sres, 4);
 
 	if (sres) {
-		*((uint32_t *) buf) = htonl(strlen(message));
+		be32enc(buf, strlen(message));
 		stream_write(cfd, buf, 4);
 		stream_write(cfd, message, strlen(message));
 		goto done;