hush: fix heredoc_huge.tests broken in last commits

diff --git a/shell/hush.c b/shell/hush.c
index b91e8c3..1753be0 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2461,11 +2461,15 @@ static void setup_heredoc(struct redir_struct *redir)
         * for the unsuspecting parent process. Child creates a grandchild
         * and exits before parent execs the process which consumes heredoc
         * (that exec happens after we return from this function) */
+#if !BB_MMU
+       to_free = NULL;
+#endif
        pid = vfork();
        if (pid < 0)
                bb_perror_msg_and_die("vfork");
        if (pid == 0) {
                /* child */
+               disable_restore_tty_pgrp_on_exit();
                pid = BB_MMU ? fork() : vfork();
                if (pid < 0)
                        bb_perror_msg_and_die(BB_MMU ? "fork" : "vfork");
@@ -2478,7 +2482,6 @@ static void setup_heredoc(struct redir_struct *redir)
                _exit(0);
 #else
                /* Delegate blocking writes to another process */
-               disable_restore_tty_pgrp_on_exit();
                xmove_fd(pair.wr, STDOUT_FILENO);
                re_execute_shell(&to_free, heredoc, NULL, NULL);
 #endif