getaddrinfo() may fail with error code different from EAI_FAIL
or EAI_NONAME, however in this case we still try to free the
results object, thus leading to a crash.

Fix this by bailing out on any possible error.

Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
---
 tools/testing/selftests/net/ovpn/ovpn-cli.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/ovpn/ovpn-cli.c b/tools/testing/selftests/net/ovpn/ovpn-cli.c
index 69e41fc07fbc..c6372a1b4728 100644
--- a/tools/testing/selftests/net/ovpn/ovpn-cli.c
+++ b/tools/testing/selftests/net/ovpn/ovpn-cli.c

@@ -1753,8 +1753,11 @@ static int ovpn_parse_remote(struct ovpn_ctx *ovpn, const char *host,
 
 	if (host) {
 		ret = getaddrinfo(host, service, &hints, &result);
-		if (ret == EAI_NONAME || ret == EAI_FAIL)
+		if (ret) {
+			fprintf(stderr, "getaddrinfo on remote error: %s\n",
+				gai_strerror(ret));
 			return -1;