From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 28 Oct 2022 02:33:19 +0000 (+0900)
Subject: network: allow 0 for table number
X-Git-Tag: v252~22^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=513bed294ef73566b170bd6943da702571278b1c;p=thirdparty%2Fsystemd.git

network: allow 0 for table number

Fixes #25089.
---

diff --git a/src/network/networkd-route-util.c b/src/network/networkd-route-util.c
index 312f5f298a5..03663820931 100644
--- a/src/network/networkd-route-util.c
+++ b/src/network/networkd-route-util.c
@@ -417,8 +417,8 @@ int manager_get_route_table_to_string(const Manager *m, uint32_t table, char **r
         assert(m);
         assert(ret);
 
-        if (table == 0)
-                return -EINVAL;
+        /* Unlike manager_get_route_table_from_string(), this accepts 0, as the kernel may create routes with
+         * table 0. See issue #25089. */
 
         s = route_table_to_string(table);
         if (!s)