From: Susant Sahani <145210+ssahani@users.noreply.github.com>
Date: Tue, 28 Nov 2017 16:24:52 +0000 (+0530)
Subject: networkd: Add comment for setting_mtu #7460 (#7489)
X-Git-Tag: v236~101
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fbdb6605b5f01bd7f386cc743b2521ec1acafc14;p=thirdparty%2Fsystemd.git

networkd: Add comment for setting_mtu #7460 (#7489)

Follow up #7460
---

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 0494ee3d445..473bd420d4f 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -3108,6 +3108,9 @@ static int link_carrier_lost(Link *link) {
 
         assert(link);
 
+        /* Some devices reset itself while setting the MTU. This causes the DHCP client fall into a loop.
+           setting_mtu keep track whether the device got reset because of setting MTU and does not drop the
+           configuration and stop the clients as well. */
         if (link->setting_mtu)
                 return 0;