caif_virtio: use new tasklet API

This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/caif/caif_virtio.c

···
 	return NETDEV_TX_OK;
 }
 
-static void cfv_tx_release_tasklet(unsigned long drv)
+static void cfv_tx_release_tasklet(struct tasklet_struct *t)
 {
-	struct cfv_info *cfv = (struct cfv_info *)drv;
+	struct cfv_info *cfv = from_tasklet(cfv, t, tx_release_tasklet);
 	cfv_release_used_buf(cfv->vq_tx);
 }
 
···
 	cfv->ctx.head = USHRT_MAX;
 	netif_napi_add(netdev, &cfv->napi, cfv_rx_poll, CFV_DEFAULT_QUOTA);
 
-	tasklet_init(&cfv->tx_release_tasklet,
-		     cfv_tx_release_tasklet,
-		     (unsigned long)cfv);
+	tasklet_setup(&cfv->tx_release_tasklet, cfv_tx_release_tasklet);
 
 	/* Carrier is off until netdevice is opened */
 	netif_carrier_off(netdev);