[PATCH iptables] libxtables: fix getaddrinfo return value usage

[Domen Puncer <domen.puncer@samsung.com>]

getaddrinfo return value on error can also be positive.

Signed-off-by: Domen Puncer Kugler <domen.puncer@samsung.com>
---
 libxtables/xtoptions.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libxtables/xtoptions.c b/libxtables/xtoptions.c
index 9b4c5aa..d26d2f8 100644
--- a/libxtables/xtoptions.c
+++ b/libxtables/xtoptions.c
@@ -519,7 +519,7 @@ static void xtopt_parse_host(struct xt_option_call *cb)
 	int ret;

 	ret = getaddrinfo(cb->arg, NULL, &hints, &res);
-	if (ret < 0)
+	if (ret != 0)
 		xt_params->exit_err(PARAMETER_PROBLEM,
 			"getaddrinfo: %s\n", gai_strerror(ret));

@@ -562,7 +562,7 @@ static int xtables_getportbyname(const char *name)
 	int ret;

 	ret = getaddrinfo(NULL, name, NULL, &res);
-	if (ret < 0)
+	if (ret != 0)
 		return -1;
 	ret = -1;
 	for (p = res; p != NULL; p = p->ai_next) {
@@ -675,7 +675,7 @@ static int xtopt_parse_mask(struct xt_option_call *cb)
 	int ret;

 	ret = getaddrinfo(cb->arg, NULL, &hints, &res);
-	if (ret < 0)
+	if (ret != 0)
 		return 0;

 	memcpy(&cb->val.hmask, xtables_sa_host(res->ai_addr, res->ai_family),