Merge branch 'lapbther-cleanups'

Peng Li says:

====================
net: lapbether: clean up some code style issues

This patchset clean up some code style issues.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/lapbether.c

@@ -6,7 +6,7 @@
  *
  *	This is a "pseudo" network driver to allow LAPB over Ethernet.
  *
- *	This driver can use any ethernet destination address, and can be 
+ *	This driver can use any ethernet destination address, and can be
  *	limited to accept frames from one dedicated ethernet card only.
  *
  *	History
@@ -44,7 +44,8 @@
 static const u8 bcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 
 /* If this number is made larger, check that the temporary string buffer
- * in lapbeth_new_device is large enough to store the probe device name.*/
+ * in lapbeth_new_device is large enough to store the probe device name.
+ */
 #define MAXLAPBDEV 100
 
 struct lapbethdev {
@@ -64,15 +65,14 @@ static void lapbeth_disconnected(struct net_device *dev, int reason);
 
 /* ------------------------------------------------------------------------ */
 
-/*
- *	Get the LAPB device for the ethernet device
+/*	Get the LAPB device for the ethernet device
  */
 static struct lapbethdev *lapbeth_get_x25_dev(struct net_device *dev)
 {
 	struct lapbethdev *lapbeth;
 
 	list_for_each_entry_rcu(lapbeth, &lapbeth_devices, node, lockdep_rtnl_is_held()) {
-		if (lapbeth->ethdev == dev) 
+		if (lapbeth->ethdev == dev)
 			return lapbeth;
 	}
 	return NULL;
@@ -105,10 +105,10 @@ static int lapbeth_napi_poll(struct napi_struct *napi, int budget)
 	return processed;
 }
 
-/*
- *	Receive a LAPB frame via an ethernet interface.
+/*	Receive a LAPB frame via an ethernet interface.
  */
-static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, struct net_device *orig_dev)
+static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev,
+		       struct packet_type *ptype, struct net_device *orig_dev)
 {
 	int len, err;
 	struct lapbethdev *lapbeth;
@@ -116,7 +116,8 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
 	if (dev_net(dev) != &init_net)
 		goto drop;
 
-	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+	skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!skb)
 		return NET_RX_DROP;
 
 	if (!pskb_may_pull(skb, 2))
@@ -137,7 +138,8 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
 	skb_pull(skb, 2);	/* Remove the length bytes */
 	skb_trim(skb, len);	/* Set the length of the data */
 
-	if ((err = lapb_data_received(lapbeth->axdev, skb)) != LAPB_OK) {
+	err = lapb_data_received(lapbeth->axdev, skb);
+	if (err != LAPB_OK) {
 		printk(KERN_DEBUG "lapbether: lapb_data_received err - %d\n", err);
 		goto drop_unlock;
 	}
@@ -177,11 +179,10 @@ static int lapbeth_data_indication(struct net_device *dev, struct sk_buff *skb)
 	return NET_RX_SUCCESS;
 }
 
-/*
- *	Send a LAPB frame via an ethernet interface
+/*	Send a LAPB frame via an ethernet interface
  */
 static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
-				      struct net_device *dev)
+				struct net_device *dev)
 {
 	struct lapbethdev *lapbeth = netdev_priv(dev);
 	int err;
@@ -219,7 +220,8 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
 
 	skb_pull(skb, 1);
 
-	if ((err = lapb_data_request(dev, skb)) != LAPB_OK) {
+	err = lapb_data_request(dev, skb);
+	if (err != LAPB_OK) {
 		pr_err("lapb_data_request error - %d\n", err);
 		goto drop;
 	}
@@ -263,10 +265,8 @@ static void lapbeth_connected(struct net_device *dev, int reason)
 	unsigned char *ptr;
 	struct sk_buff *skb = __dev_alloc_skb(1, GFP_ATOMIC | __GFP_NOMEMALLOC);
 
-	if (!skb) {
-		pr_err("out of memory\n");
+	if (!skb)
 		return;
-	}
 
 	ptr  = skb_put(skb, 1);
 	*ptr = X25_IFACE_CONNECT;
@@ -283,10 +283,8 @@ static void lapbeth_disconnected(struct net_device *dev, int reason)
 	unsigned char *ptr;
 	struct sk_buff *skb = __dev_alloc_skb(1, GFP_ATOMIC | __GFP_NOMEMALLOC);
 
-	if (!skb) {
-		pr_err("out of memory\n");
+	if (!skb)
 		return;
-	}
 
 	ptr  = skb_put(skb, 1);
 	*ptr = X25_IFACE_DISCONNECT;
@@ -297,17 +295,16 @@ static void lapbeth_disconnected(struct net_device *dev, int reason)
 	napi_schedule(&lapbeth->napi);
 }
 
-/*
- *	Set AX.25 callsign
+/*	Set AX.25 callsign
  */
 static int lapbeth_set_mac_address(struct net_device *dev, void *addr)
 {
 	struct sockaddr *sa = addr;
+
 	memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
 	return 0;
 }
 
-
 static const struct lapb_register_struct lapbeth_callbacks = {
 	.connect_confirmation    = lapbeth_connected,
 	.connect_indication      = lapbeth_connected,
@@ -317,8 +314,7 @@ static const struct lapb_register_struct lapbeth_callbacks = {
 	.data_transmit           = lapbeth_data_transmit,
 };
 
-/*
- * open/close a device
+/* open/close a device
  */
 static int lapbeth_open(struct net_device *dev)
 {
@@ -327,7 +323,8 @@ static int lapbeth_open(struct net_device *dev)
 
 	napi_enable(&lapbeth->napi);
 
-	if ((err = lapb_register(dev, &lapbeth_callbacks)) != LAPB_OK) {
+	err = lapb_register(dev, &lapbeth_callbacks);
+	if (err != LAPB_OK) {
 		pr_err("lapb_register error: %d\n", err);
 		return -ENODEV;
 	}
@@ -348,7 +345,8 @@ static int lapbeth_close(struct net_device *dev)
 	lapbeth->up = false;
 	spin_unlock_bh(&lapbeth->up_lock);
 
-	if ((err = lapb_unregister(dev)) != LAPB_OK)
+	err = lapb_unregister(dev);
+	if (err != LAPB_OK)
 		pr_err("lapb_unregister error: %d\n", err);
 
 	napi_disable(&lapbeth->napi);
@@ -375,8 +373,7 @@ static void lapbeth_setup(struct net_device *dev)
 	dev->addr_len        = 0;
 }
 
-/*
- *	Setup a new device.
+/*	Setup a new device.
  */
 static int lapbeth_new_device(struct net_device *dev)
 {
@@ -427,8 +424,7 @@ static int lapbeth_new_device(struct net_device *dev)
 	goto out;
 }
 
-/*
- *	Free a lapb network device.
+/*	Free a lapb network device.
  */
 static void lapbeth_free_device(struct lapbethdev *lapbeth)
 {
@@ -437,8 +433,7 @@ static void lapbeth_free_device(struct lapbethdev *lapbeth)
 	unregister_netdevice(lapbeth->axdev);
 }
 
-/*
- *	Handle device status changes.
+/*	Handle device status changes.
  *
  * Called from notifier with RTNL held.
  */
@@ -457,13 +452,13 @@ static int lapbeth_device_event(struct notifier_block *this,
 	switch (event) {
 	case NETDEV_UP:
 		/* New ethernet device -> new LAPB interface	 */
-		if (lapbeth_get_x25_dev(dev) == NULL)
+		if (!lapbeth_get_x25_dev(dev))
 			lapbeth_new_device(dev);
 		break;
 	case NETDEV_GOING_DOWN:
 		/* ethernet device closes -> close LAPB interface */
 		lapbeth = lapbeth_get_x25_dev(dev);
-		if (lapbeth) 
+		if (lapbeth)
 			dev_close(lapbeth->axdev);
 		break;
 	case NETDEV_UNREGISTER: