From 5def1f11f84fd4000a0f7c9ed1294b04f0cea703 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <bluca@debian.org>
Date: Mon, 28 Dec 2020 00:23:14 +0000
Subject: [PATCH] shared/dns: fix dlopen_idn return code check

Fixes https://github.com/systemd/systemd/issues/18078
---
 src/shared/dns-domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/shared/dns-domain.c b/src/shared/dns-domain.c
index cc5ad582db..e43aa12882 100644
--- a/src/shared/dns-domain.c
+++ b/src/shared/dns-domain.c
@@ -1280,7 +1280,7 @@ int dns_name_apply_idna(const char *name, char **ret) {
         int r;
 
         r = dlopen_idn();
-        if (r == EOPNOTSUPP) {
+        if (r == -EOPNOTSUPP) {
                 *ret = NULL;
                 return 0;
         }