From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 31 Jul 2023 09:04:14 +0000 (+0900)
Subject: network/address: make Label= accept an empty string
X-Git-Tag: v255-rc1~868^2~6
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b8e898a681a7d8a663b766f8e44469bc910d20cc;p=thirdparty%2Fsystemd.git

network/address: make Label= accept an empty string

We usually reset setting when an emptry string is specified.
---

diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 09615a4ce49..a7772a58955 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -1895,6 +1895,12 @@ int config_parse_label(
                 return 0;
         }
 
+        if (isempty(rvalue)) {
+                n->label = mfree(n->label);
+                TAKE_PTR(n);
+                return 0;
+        }
+
         if (!address_label_valid(rvalue)) {
                 log_syntax(unit, LOG_WARNING, filename, line, 0,
                            "Interface label is too long or invalid, ignoring assignment: %s", rvalue);