From: Jan Engelhardt <jengelh@medozas.de>
Date: Thu, 14 Apr 2011 11:54:24 +0000 (+0200)
Subject: xtoptions: respect return value in xtables_getportbyname
X-Git-Tag: v1.4.11~19^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44517bda3d8130638882f69478a8091316f30cbb;p=thirdparty%2Fiptables.git

xtoptions: respect return value in xtables_getportbyname

If ret was negative, ntohs may make it positive, which is undesired.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---

diff --git a/xtoptions.c b/xtoptions.c
index c3cc40e6..8478d26d 100644
--- a/xtoptions.c
+++ b/xtoptions.c
@@ -379,6 +379,8 @@ static int xtables_getportbyname(const char *name)
 		}
 	}
 	freeaddrinfo(res);
+	if (ret < 0)
+		return ret;
 	return ntohs(ret);
 }