networkd: don't assume udev_device_new_from_device_id sets errno

This reverts 6f4d55a8ae04e344a41fc2adef12ad99c2bb2927, as we cannot rely on errno here.

Reported by David Herrmann.

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index ec1a97a7c9a73cbf2902e995496a9ed79977676b..5b1376ad3e02afb980090483f01913ae2cc9a514 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -2146,8 +2146,8 @@ int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
                 sprintf(ifindex_str, "n%d", link->ifindex);
                 device = udev_device_new_from_device_id(m->udev, ifindex_str);
                 if (!device) {
-                        log_warning_link(link, "could not find udev device: %m");
-                        return -errno;
+                        log_warning_link(link, "could not find udev device");
+                        return -ENOENT;
                 }
 
                 if (udev_device_get_is_initialized(device) <= 0) {