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net: openvswitch: Check vport netdev name

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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: Jun Gu <[email protected]>
Acked-by: Eelco Chaudron <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
This commit is contained in:
Jun Gu authored and Jakub Kicinski committed 2024-04-22 17:34:02 -07:00
1 parent 2557e2ec94
commit 2540088b83
1 file changed
+4 -1
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net/openvswitch/vport-netdev.c
+4 -1
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@@ -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;
}