From 6b099757e86e490921e3bbca843ddbf1ea87c412 Mon Sep 17 00:00:00 2001
From: kevlo <kevlo@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Fri, 28 Sep 2012 07:51:30 +0000
Subject: [PATCH] Make sure that each va_start has one and only one matching
 va_end, especially in error cases.

git-svn-id: http://svn0.us-east.freebsd.org/base/head/contrib/telnet@241021 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 telnetd/state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/telnetd/state.c b/telnetd/state.c
index 300421f..9cad0c5 100644
--- a/telnetd/state.c
+++ b/telnetd/state.c
@@ -1600,8 +1600,10 @@ output_data(const char *format, ...)
 	char *buf;
 
 	va_start(args, format);
-	if ((len = vasprintf(&buf, format, args)) == -1)
+	if ((len = vasprintf(&buf, format, args)) == -1) {
+		va_end(args);
 		return -1;
+	}
 	output_datalen(buf, len);
 	va_end(args);
 	free(buf);