ovs-brcompatd: Use error instead of pointer in handle_fdb_query_cmd().

It is safe to use either value here but as long as we are saving the
error value we might as well use it.

Found by Clang (http://clang-analyzer.llvm.org/).

diff --git a/vswitchd/ovs-brcompatd.c b/vswitchd/ovs-brcompatd.c
index beaefb2..faf1bee 100644 (file)
--- a/vswitchd/ovs-brcompatd.c
+++ b/vswitchd/ovs-brcompatd.c
@@ -756,7 +756,7 @@ handle_fdb_query_cmd(const struct ovsrec_open_vswitch *ovs,
         struct netdev *netdev;
 
         error = netdev_open_default(iface_name, &netdev);
-        if (netdev) {
+        if (!error) {
             if (!netdev_get_etheraddr(netdev, mac->addr)) {
                 n_local_macs++;
             }