fix no rootfs no console

src/lxc/console.c

@@ -139,9 +139,13 @@ out_close:
 	return 1;
 }
 
-int lxc_create_console(struct lxc_console *console)
+int lxc_create_console(struct lxc_conf *conf)
 {
 	struct termios tios;
+	struct lxc_console *console = &conf->console;
+
+	if (!conf->rootfs)
+		return 0;
 
 	if (openpty(&console->master, &console->slave,
 		    console->name, NULL, NULL)) {
@@ -239,6 +243,11 @@ int lxc_console_mainloop_add(struct lxc_epoll_descr *descr,
 	struct lxc_conf *conf = handler->conf;
 	struct lxc_console *console = &conf->console;
 
+	if (!conf->rootfs) {
+		INFO("no rootfs, no console.");
+		return 0;
+	}
+
 	if (lxc_mainloop_add_handler(descr, console->master,
 				     console_handler, console)) {
 		ERROR("failed to add to mainloop console handler for '%d'",

src/lxc/console.h

@@ -21,6 +21,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-extern int lxc_create_console(struct lxc_console *);
+extern int lxc_create_console(struct lxc_conf *);
 extern void lxc_delete_console(struct lxc_console *);
 extern int lxc_console_mainloop_add(struct lxc_epoll_descr *, struct lxc_handler *);

src/lxc/start.c

@@ -207,7 +207,7 @@ struct lxc_handler *lxc_init(const char *name, struct lxc_conf *conf)
 		goto out_aborting;
 	}
 
-	if (lxc_create_console(&conf->console)) {
+	if (lxc_create_console(conf)) {
 		ERROR("failed to create console");
 		goto out_delete_tty;
 	}