X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fvport-internal_dev.c;h=1df61801179a0871f46072dbfce71a236f5cf7ce;hb=d5ca4fce0d017040a6f941beac7bb2a8bcaa685d;hp=b5406c7359599b530e2910b44b48eb6bad1bb332;hpb=c283069c71adc49c182a1ac569a05e2dca949eda;p=openvswitch

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index b5406c73..1df61801 100644
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -217,6 +217,7 @@ static int internal_dev_destroy(struct vport *vport)
 	dev_set_promiscuity(netdev_vport->dev, -1);
 
 	unregister_netdevice(netdev_vport->dev);
+	/* unregister_netdevice() waits for an RCU grace period. */
 	vport_free(vport);
 
 	return 0;