Commit 2540088b authored by Jun Gu's avatar Jun Gu Committed by Jakub Kicinski
Browse files

net: openvswitch: Check vport netdev name 



Ensure that the provided netdev name is not one of its aliases to
prevent unnecessary creation and destruction of the vport by
ovs-vswitchd.

Signed-off-by: default avatarJun Gu <jun.gu@easystack.cn>
Acked-by: default avatarEelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/20240419061425.132723-1-jun.gu@easystack.cn


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2557e2ec

net/openvswitch/vport-netdev.c

+4 −1
Original line number Diff line number Diff line
@@ -78,7 +78,10 @@ struct vport *ovs_netdev_link(struct vport *vport, const char *name) 
	int err;



	vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), name);

	if (!vport->dev) {

	/* Ensure that the device exists and that the provided

	 * name is not one of its aliases.

	 */

	if (!vport->dev || strcmp(name, ovs_vport_name(vport))) {

		err = -ENODEV;

		goto error_free_vport;

	}