From 08126f665d6b8d761da61acd50acaafa49cff79f Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Mon, 11 Feb 2008 08:39:11 +0000
Subject: [PATCH] hush: close-on-exec interactive_fd

---
 shell/hush.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/shell/hush.c b/shell/hush.c
index 2560d6e97..29807f889 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -3880,6 +3880,7 @@ int hush_main(int argc, char **argv)
 	}
 	debug_printf("interactive_fd=%d\n", interactive_fd);
 	if (interactive_fd) {
+		fcntl(interactive_fd, F_SETFD, FD_CLOEXEC);
 		/* Looks like they want an interactive shell */
 		setup_job_control();
 		/* -1 is special - makes xfuncs longjmp, not exit
@@ -3907,8 +3908,9 @@ int hush_main(int argc, char **argv)
 				/* give up */
 				interactive_fd = 0;
 		}
+		if (interactive_fd)
+			fcntl(interactive_fd, F_SETFD, FD_CLOEXEC);
 	}
-
 #endif
 
 	if (argv[optind] == NULL) {