tree-wide: use free_and_strdup_warn()

src/udev/net/link-config.c

@@ -702,10 +702,7 @@ int config_parse_ifalias(
                 return 0;
         }
 
-        if (free_and_strdup(s, rvalue) < 0)
-                return log_oom();
-
-        return 0;
+        return free_and_strdup_warn(s, rvalue);
 }
 
 int config_parse_rx_tx_queues(

src/udev/udev-rules.c

@@ -2055,8 +2055,9 @@ static int udev_rule_apply_token_to_event(
                                        token->value);
                         break;
                 }
-                if (free_and_strdup(&event->name, buf) < 0)
-                        return log_oom();
+                r = free_and_strdup_warn(&event->name, buf);
+                if (r < 0)
+                        return r;
 
                 log_rule_debug(dev, rules, "NAME '%s'", event->name);
                 break;