From: Mantas Mikulėnas <grawity@gmail.com>
Date: Wed, 24 Aug 2016 15:26:48 +0000 (+0300)
Subject: networkd: do not drop config for unmanaged interfaces
X-Git-Tag: v232~242^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4033%2Fhead;p=thirdparty%2Fsystemd.git

networkd: do not drop config for unmanaged interfaces

Flushing foreign configuration for unmanaged interfaces is outright
evil, especially when it's a regular occurence with Wi-Fi.

Fixes: 3104883ddc24 "networkd: remove route if carrier is lost"
Ref: #3831
---

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 71484e3288b..aab40a0eb1a 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -2957,9 +2957,11 @@ static int link_carrier_lost(Link *link) {
         if (r < 0)
                 return r;
 
-        r = link_drop_foreign_config(link);
-        if (r < 0)
-                return r;
+        if (link->state != LINK_STATE_UNMANAGED) {
+                r = link_drop_foreign_config(link);
+                if (r < 0)
+                        return r;
+        }
 
         r = link_handle_bound_by_list(link);
         if (r < 0)