From: Jan Engelhardt <jengelh@medozas.de>
Date: Thu, 12 Feb 2009 00:28:35 +0000 (+0100)
Subject: libxtables: flush before fork
X-Git-Tag: v1.4.3~36
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c19f880d8aac7c0372381e29d7cea09accd0db26;p=thirdparty%2Fiptables.git

libxtables: flush before fork

Reference: http://bugs.debian.org/514869
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---

diff --git a/xtables.c b/xtables.c
index 02bfc17a..d85e6390 100644
--- a/xtables.c
+++ b/xtables.c
@@ -272,6 +272,12 @@ int xtables_insmod(const char *modname, const char *modprobe, bool quiet)
 		modprobe = buf;
 	}
 
+	/*
+	 * Need to flush the buffer, or the child may output it again
+	 * when switching the program thru execv.
+	 */
+	fflush(stdout);
+
 	switch (fork()) {
 	case 0:
 		argv[0] = (char *)modprobe;