1 files changed, 26 insertions, 2 deletions

diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 6008d6dc18a0..9ef8f1660ee1 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -153,6 +153,18 @@ static void close_work(struct work_struct *work)
 }
 static DECLARE_WORK(close_worker, close_work);
 
+static void chnl_hold(struct cflayer *lyr)
+{
+	struct chnl_net *priv = container_of(lyr, struct chnl_net, chnl);
+	dev_hold(priv->netdev);
+}
+
+static void chnl_put(struct cflayer *lyr)
+{
+	struct chnl_net *priv = container_of(lyr, struct chnl_net, chnl);
+	dev_put(priv->netdev);
+}
+
 static void chnl_flowctrl_cb(struct cflayer *layr, enum caif_ctrlcmd flow,
 				int phyid)
 {
@@ -190,6 +202,7 @@ static void chnl_flowctrl_cb(struct cflayer *layr, enum caif_ctrlcmd flow,
 		netif_wake_queue(priv->netdev);
 		break;
 	case CAIF_CTRLCMD_INIT_RSP:
+		caif_client_register_refcnt(&priv->chnl, chnl_hold, chnl_put);
 		priv->state = CAIF_CONNECTED;
 		priv->flowenabled = true;
 		netif_wake_queue(priv->netdev);
@@ -373,11 +386,18 @@ static const struct net_device_ops netdev_ops = {
 	.ndo_start_xmit = chnl_net_start_xmit,
 };
 
+static void chnl_net_destructor(struct net_device *dev)
+{
+	struct chnl_net *priv = netdev_priv(dev);
+	caif_free_client(&priv->chnl);
+	free_netdev(dev);
+}
+
 static void ipcaif_net_setup(struct net_device *dev)
 {
 	struct chnl_net *priv;
 	dev->netdev_ops = &netdev_ops;
-	dev->destructor = free_netdev;
+	dev->destructor = chnl_net_destructor;
 	dev->flags |= IFF_NOARP;
 	dev->flags |= IFF_POINTOPOINT;
 	dev->mtu = GPRS_PDP_MTU;
@@ -391,7 +411,7 @@ static void ipcaif_net_setup(struct net_device *dev)
 	priv->conn_req.link_selector = CAIF_LINK_HIGH_BANDW;
 	priv->conn_req.priority = CAIF_PRIO_LOW;
 	/* Insert illegal value */
-	priv->conn_req.sockaddr.u.dgm.connection_id = -1;
+	priv->conn_req.sockaddr.u.dgm.connection_id = 0;
 	priv->flowenabled = false;
 
 	init_waitqueue_head(&priv->netmgmt_wq);
@@ -453,6 +473,10 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev,
 		pr_warn("device rtml registration failed\n");
 	else
 		list_add(&caifdev->list_field, &chnl_net_list);
+
+	/* Take ifindex as connection-id if null */
+	if (caifdev->conn_req.sockaddr.u.dgm.connection_id == 0)
+		caifdev->conn_req.sockaddr.u.dgm.connection_id = dev->ifindex;
 	return ret;
 }