From: Susant Sahani <susant@redhat.com>
Date: Mon, 25 Sep 2017 15:25:12 +0000 (+0530)
Subject: networkd: ndisc The preferred lifetime is never greater than the valid lifetime.
X-Git-Tag: v236~167^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=92bdc3ffce6845201b6afa43c64050f31b3b2873;p=thirdparty%2Fsystemd.git

networkd: ndisc The preferred lifetime is never greater than the valid lifetime.

Silently ignore if the preferred lifetime is never greater than the
valid lifetime.
---

diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index d52b511bb55..5475972ef75 100644
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -186,6 +186,10 @@ static void ndisc_router_process_autonomous_prefix(Link *link, sd_ndisc_router *
                 return;
         }
 
+        /* The preferred lifetime is never greater than the valid lifetime */
+        if (lifetime_preferred > lifetime_valid)
+                return;
+
         r = address_new(&address);
         if (r < 0) {
                 log_link_error_errno(link, r, "Could not allocate address: %m");