switch_root: print errno on failure

diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 21cc992..08aa725 100644 (file)
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -97,7 +97,7 @@ int switch_root_main(int argc UNUSED_PARAM, char **argv)
        // Overmount / with newdir and chroot into it.  The chdir is needed to
        // recalculate "." and ".." links.
        if (mount(".", "/", NULL, MS_MOVE, NULL))
-               bb_error_msg_and_die("error moving root");
+               bb_perror_msg_and_die("error moving root");
        xchroot(".");
        xchdir("/");