virtio_net: remove hcpu from virtnet_clean_affinity

The variable is never used.

CC: Michael S. Tsirkin <[e-mail]>
CC: Jason Wang <[e-mail]>
CC: [e-mail]
CC: [e-mail]
CC: [e-mail]
Signed-off-by: Peter Xu <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/virtio_net.c

···
 	return 0;
 }
 
-static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu)
+static void virtnet_clean_affinity(struct virtnet_info *vi)
 {
 	int i;
 
···
 	int stride;
 
 	if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) {
-		virtnet_clean_affinity(vi, -1);
+		virtnet_clean_affinity(vi);
 		return;
 	}
 
···
 	struct virtnet_info *vi = hlist_entry_safe(node, struct virtnet_info,
 						   node);
 
-	virtnet_clean_affinity(vi, cpu);
+	virtnet_clean_affinity(vi);
 	return 0;
 }
 
···
 {
 	struct virtio_device *vdev = vi->vdev;
 
-	virtnet_clean_affinity(vi, -1);
+	virtnet_clean_affinity(vi);
 
 	vdev->config->del_vqs(vdev);