Fixed stack overflow. Fixed bridge network

ChangeLog

+Mon May 14 11:00:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
+
+	* qemud/conf.c: Fix initialization of var to prevent stack
+	overflow. Make sure we initialize the brCtl in case there
+	is no virtual network running
+
 Thu May 11 10:20:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
 
 	* src/xm_internal.c: Fix boot device XML syntax

qemud/conf.c

@@ -246,7 +246,7 @@ static int qemudExtractVersionInfo(const char *qemu, int *version, int *flags) {
         _exit(-1); /* Just in case */
     } else { /* Parent */
         char help[8192]; /* Ought to be enough to hold QEMU help screen */
-        int got, ret = -1;
+        int got = 0, ret = -1;
         int major, minor, micro;
 
         if (close(newstdout[1]) < 0)
@@ -1152,6 +1152,12 @@ qemudNetworkIfaceConnect(struct qemud_server *server,
         goto error;
     }
 
+    if (!server->brctl && (err = brInit(&server->brctl))) {
+        qemudReportError(server, VIR_ERR_INTERNAL_ERROR,
+                         "cannot initialize bridge support: %s", strerror(err));
+        goto error;
+    }
+
     if ((err = brAddTap(server->brctl, brname,
                         ifname, BR_IFNAME_MAXLEN, &tapfd))) {
         qemudReportError(server, VIR_ERR_INTERNAL_ERROR,