dpif-netdev: Fix another use-after-free in port_unref().

[cascardo/ovs.git] / lib / dpif-netdev.c

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 87d1eb5..bbdb169 100644 (file)
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -811,13 +811,12 @@ static void
 port_unref(struct dp_netdev_port *port)
 {
     if (port && ovs_refcount_unref(&port->ref_cnt) == 1) {
-        int n_rxq;
+        int n_rxq = netdev_n_rxq(port->netdev);
         int i;
 
         netdev_close(port->netdev);
         netdev_restore_flags(port->sf);
 
-        n_rxq = netdev_n_rxq(port->netdev);
         for (i = 0; i < n_rxq; i++) {
             netdev_rxq_close(port->rxq[i]);
         }