- patch from Denis Vlasenko to add and use bb_xchdir()

coreutils/chroot.c

@@ -4,20 +4,7 @@
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
@@ -35,9 +22,10 @@ int chroot_main(int argc, char **argv)
 	}
 
 	++argv;
-	if (chroot(*argv) || (chdir("/"))) {
+	if (chroot(*argv)) {
 		bb_perror_msg_and_die("cannot change root directory to %s", *argv);
 	}
+	bb_xchdir("/");
 
 	++argv;
 	if (argc == 2) {