Merge pull request #759 from marineam/hostname

systemd: report errors when setting hostname from dhcp

sdk_container/src/third_party/coreos-overlay/sys-apps/systemd/files/215-0033-networkd-fix-reporting-errors-from-hostnamed.patch

@@ -0,0 +1,29 @@
+From cd210f1210700a9917412cb6d312eb029236f1ae Mon Sep 17 00:00:00 2001
+From: Michael Marineau <michael.marineau@coreos.com>
+Date: Mon, 21 Jul 2014 16:11:00 -0700
+Subject: [PATCH 33/33] networkd: fix reporting errors from hostnamed
+
+The return value may be -EINVAL or a positive errno from the dbus
+message. Check both ranges, otherwise most errors are silently ignored.
+---
+ src/network/networkd-link.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
+index a806990..24b4ebc 100644
+--- a/src/network/networkd-link.c
++++ b/src/network/networkd-link.c
+@@ -846,7 +846,9 @@ static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata,
+ 
+         r = sd_bus_message_get_errno(m);
+         if (r < 0)
+-                log_warning_link(link, "Could not set hostname: %s", strerror(-r));
++                r = -r;
++        if (r > 0)
++                log_warning_link(link, "Could not set hostname: %s", strerror(r));
+ 
+         return 1;
+ }
+-- 
+1.8.5.5
+