From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 12 Jul 2020 23:27:10 +0000 (+0900)
Subject: resolve: ignore empty server name
X-Git-Tag: v246-rc2~32^2~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=395aa34023c844124d2795b91350152ed17bd5fd;p=thirdparty%2Fsystemd.git

resolve: ignore empty server name

Just for safety.
---

diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c
index 60de1b29e75..ee2ae1ae1b0 100644
--- a/src/resolve/resolved-dns-server.c
+++ b/src/resolve/resolved-dns-server.c
@@ -47,7 +47,7 @@ int dns_server_new(
                         return -E2BIG;
         }
 
-        if (server_name) {
+        if (!isempty(server_name)) {
                 name = strdup(server_name);
                 if (!name)
                         return -ENOMEM;