From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 13 Mar 2019 07:45:06 +0000 (+0900)
Subject: netlink: support NLMSG_ERROR message in genl
X-Git-Tag: v242-rc1~137^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0aa2fe6f9b2efb60e6bc031e9c2876e518352442;p=thirdparty%2Fsystemd.git

netlink: support NLMSG_ERROR message in genl

This resolves the following log message after L2TP tunnel or session is
created:
```
sd-netlink: ignored message with unknown type: 2
```
---

diff --git a/src/libsystemd/sd-netlink/netlink-types.c b/src/libsystemd/sd-netlink/netlink-types.c
index 92b044d5aa1..8248ac0f5a5 100644
--- a/src/libsystemd/sd-netlink/netlink-types.c
+++ b/src/libsystemd/sd-netlink/netlink-types.c
@@ -862,6 +862,7 @@ const NLTypeSystem genl_family_type_system_root = {
 };
 
 static const NLType genl_types[] = {
+        [NLMSG_ERROR]  = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
         [GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system, .size = sizeof(struct genlmsghdr) },
 };