netdev: Fix memory leak in get_stats_via_netlink().

Bug #1817.

diff --git a/lib/netdev.c b/lib/netdev.c
index 9a92a5f9724f72a5f3822f8876e8ecde0a0223ea..bed480f71159e3f734952b37fe7aec5da8d1e9ae 100644 (file)
--- a/lib/netdev.c
+++ b/lib/netdev.c
@@ -1058,6 +1058,7 @@ get_stats_via_netlink(int ifindex, struct netdev_stats *stats)
 
     if (!attrs[IFLA_STATS]) {
         VLOG_WARN_RL(&rl, "RTM_GETLINK reply lacks stats");
+        ofpbuf_delete(reply);
         return EPROTO;
     }
 
@@ -1084,6 +1085,8 @@ get_stats_via_netlink(int ifindex, struct netdev_stats *stats)
     stats->tx_heartbeat_errors = rtnl_stats->tx_heartbeat_errors;
     stats->tx_window_errors = rtnl_stats->tx_window_errors;
 
+    ofpbuf_delete(reply);
+
     return 0;
 }