Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...

Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David

drivers/net/wan/c101.c

@@ -264,7 +264,7 @@ static int c101_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		    new_line.clock_type != CLOCK_TXFROMRX &&
 		    new_line.clock_type != CLOCK_INT &&
 		    new_line.clock_type != CLOCK_TXINT)
-		return -EINVAL;	/* No such clock setting */
+			return -EINVAL;	/* No such clock setting */
 
 		if (new_line.loopback != 0 && new_line.loopback != 1)
 			return -EINVAL;

drivers/net/wan/cycx_drv.c

@@ -73,7 +73,7 @@ static int reset_cyc2x(void __iomem *addr);
 static int detect_cyc2x(void __iomem *addr);
 
 /* Miscellaneous functions */
-static int get_option_index(long *optlist, long optval);
+static int get_option_index(const long *optlist, long optval);
 static u16 checksum(u8 *buf, u32 len);
 
 #define wait_cyc(addr) cycx_exec(addr + CMD_OFFSET)
@@ -81,23 +81,23 @@ static u16 checksum(u8 *buf, u32 len);
 /* Global Data */
 
 /* private data */
-static char modname[] = "cycx_drv";
-static char fullname[] = "Cyclom 2X Support Module";
-static char copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
+static const char modname[] = "cycx_drv";
+static const char fullname[] = "Cyclom 2X Support Module";
+static const char copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
 			  "<acme@conectiva.com.br>";
 
 /* Hardware configuration options.
  * These are arrays of configuration options used by verification routines.
  * The first element of each array is its size (i.e. number of options).
  */
-static long cyc2x_dpmbase_options[] = {
+static const long cyc2x_dpmbase_options[] = {
 	20,
 	0xA0000, 0xA4000, 0xA8000, 0xAC000, 0xB0000, 0xB4000, 0xB8000,
 	0xBC000, 0xC0000, 0xC4000, 0xC8000, 0xCC000, 0xD0000, 0xD4000,
 	0xD8000, 0xDC000, 0xE0000, 0xE4000, 0xE8000, 0xEC000
 };
 
-static long cycx_2x_irq_options[]  = { 7, 3, 5, 9, 10, 11, 12, 15 };
+static const long cycx_2x_irq_options[]  = { 7, 3, 5, 9, 10, 11, 12, 15 };
 
 /* Kernel Loadable Module Entry Points */
 /* Module 'insert' entry point.
@@ -529,7 +529,7 @@ static int detect_cyc2x(void __iomem *addr)
 /* Miscellaneous */
 /* Get option's index into the options list.
  *	Return option's index (1 .. N) or zero if option is invalid. */
-static int get_option_index(long *optlist, long optval)
+static int get_option_index(const long *optlist, long optval)
 {
 	int i = 1;
 

drivers/net/wan/cycx_main.c

@@ -81,9 +81,9 @@ static irqreturn_t cycx_isr(int irq, void *dev_id);
  */
 
 /* private data */
-static char cycx_drvname[] = "cyclomx";
-static char cycx_fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
-static char cycx_copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
+static const char cycx_drvname[] = "cyclomx";
+static const char cycx_fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
+static const char cycx_copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
 			  "<acme@conectiva.com.br>";
 static int cycx_ncards = CONFIG_CYCX_CARDS;
 static struct cycx_device *cycx_card_array;	/* adapter data space */

drivers/net/wan/dlci.c

@@ -97,11 +97,11 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev,
 
 	dest = skb_push(skb, hlen);
 	if (!dest)
-		return(0);
+		return 0;
 
 	memcpy(dest, &hdr, hlen);
 
-	return(hlen);
+	return hlen;
 }
 
 static void dlci_receive(struct sk_buff *skb, struct net_device *dev)
@@ -211,14 +211,14 @@ static int dlci_config(struct net_device *dev, struct dlci_conf __user *conf, in
 		if (copy_from_user(&config, conf, sizeof(struct dlci_conf)))
 			return -EFAULT;
 		if (config.flags & ~DLCI_VALID_FLAGS)
-			return(-EINVAL);
+			return -EINVAL;
 		memcpy(&dlp->config, &config, sizeof(struct dlci_conf));
 		dlp->configured = 1;
 	}
 
 	err = (*flp->dlci_conf)(dlp->slave, dev, get);
 	if (err)
-		return(err);
+		return err;
 
 	if (get)
 	{
@@ -226,7 +226,7 @@ static int dlci_config(struct net_device *dev, struct dlci_conf __user *conf, in
 			return -EFAULT;
 	}
 
-	return(0);
+	return 0;
 }
 
 static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -234,7 +234,7 @@ static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	struct dlci_local *dlp;
 
 	if (!capable(CAP_NET_ADMIN))
-		return(-EPERM);
+		return -EPERM;
 
 	dlp = netdev_priv(dev);
 
@@ -242,7 +242,7 @@ static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	{
 		case DLCI_GET_SLAVE:
 			if (!*(short *)(dev->dev_addr))
-				return(-EINVAL);
+				return -EINVAL;
 
 			strncpy(ifr->ifr_slave, dlp->slave->name, sizeof(ifr->ifr_slave));
 			break;
@@ -250,15 +250,15 @@ static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		case DLCI_GET_CONF:
 		case DLCI_SET_CONF:
 			if (!*(short *)(dev->dev_addr))
-				return(-EINVAL);
+				return -EINVAL;
 
-			return(dlci_config(dev, ifr->ifr_data, cmd == DLCI_GET_CONF));
+			return dlci_config(dev, ifr->ifr_data, cmd == DLCI_GET_CONF);
 			break;
 
 		default: 
-			return(-EOPNOTSUPP);
+			return -EOPNOTSUPP;
 	}
-	return(0);
+	return 0;
 }
 
 static int dlci_change_mtu(struct net_device *dev, int new_mtu)
@@ -277,15 +277,15 @@ static int dlci_open(struct net_device *dev)
 	dlp = netdev_priv(dev);
 
 	if (!*(short *)(dev->dev_addr))
-		return(-EINVAL);
+		return -EINVAL;
 
 	if (!netif_running(dlp->slave))
-		return(-ENOTCONN);
+		return -ENOTCONN;
 
 	flp = netdev_priv(dlp->slave);
 	err = (*flp->activate)(dlp->slave, dev);
 	if (err)
-		return(err);
+		return err;
 
 	netif_start_queue(dev);
 
@@ -365,14 +365,14 @@ static int dlci_add(struct dlci_add *dlci)
 	list_add(&dlp->list, &dlci_devs);
 	rtnl_unlock();
 
-	return(0);
+	return 0;
 
  err2:
 	rtnl_unlock();
 	free_netdev(master);
  err1:
 	dev_put(slave);
-	return(err);
+	return err;
 }
 
 static int dlci_del(struct dlci_add *dlci)
@@ -385,10 +385,10 @@ static int dlci_del(struct dlci_add *dlci)
 	/* validate slave device */
 	master = __dev_get_by_name(&init_net, dlci->devname);
 	if (!master)
-		return(-ENODEV);
+		return -ENODEV;
 
 	if (netif_running(master)) {
-		return(-EBUSY);
+		return -EBUSY;
 	}
 
 	dlp = netdev_priv(master);
@@ -406,7 +406,7 @@ static int dlci_del(struct dlci_add *dlci)
 	}
 	rtnl_unlock();
 
-	return(err);
+	return err;
 }
 
 static int dlci_ioctl(unsigned int cmd, void __user *arg)
@@ -415,7 +415,7 @@ static int dlci_ioctl(unsigned int cmd, void __user *arg)
 	int err;
 	
 	if (!capable(CAP_NET_ADMIN))
-		return(-EPERM);
+		return -EPERM;
 
 	if (copy_from_user(&add, arg, sizeof(struct dlci_add)))
 		return -EFAULT;
@@ -438,7 +438,7 @@ static int dlci_ioctl(unsigned int cmd, void __user *arg)
 			err = -EINVAL;
 	}
 
-	return(err);
+	return err;
 }
 
 static const struct header_ops dlci_header_ops = {

drivers/net/wan/hdlc_cisco.c

@@ -191,7 +191,8 @@ static int cisco_rx(struct sk_buff *skb)
 
 		switch (ntohl (cisco_data->type)) {
 		case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
-			in_dev = dev->ip_ptr;
+			rcu_read_lock();
+			in_dev = __in_dev_get_rcu(dev);
 			addr = 0;
 			mask = ~cpu_to_be32(0); /* is the mask correct? */
 
@@ -211,6 +212,7 @@ static int cisco_rx(struct sk_buff *skb)
 				cisco_keepalive_send(dev, CISCO_ADDR_REPLY,
 						     addr, mask);
 			}
+			rcu_read_unlock();
 			dev_kfree_skb_any(skb);
 			return NET_RX_SUCCESS;
 

drivers/net/wan/lapbether.c

@@ -46,7 +46,7 @@
 
 #include <net/x25device.h>
 
-static char bcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+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.*/

drivers/net/wan/lmc/lmc_main.c

@@ -1022,7 +1022,7 @@ static int lmc_open(struct net_device *dev)
 
     if (sc->lmc_ok){
         lmc_trace(dev, "lmc_open lmc_ok out");
-        return (0);
+        return 0;
     }
 
     lmc_softreset (sc);
@@ -1105,12 +1105,12 @@ static int lmc_open(struct net_device *dev)
     init_timer (&sc->timer);
     sc->timer.expires = jiffies + HZ;
     sc->timer.data = (unsigned long) dev;
-    sc->timer.function = &lmc_watchdog;
+    sc->timer.function = lmc_watchdog;
     add_timer (&sc->timer);
 
     lmc_trace(dev, "lmc_open out");
 
-    return (0);
+    return 0;
 }
 
 /* Total reset to compensate for the AdTran DSU doing bad things

drivers/net/wan/n2.c

@@ -282,7 +282,7 @@ static int n2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		    new_line.clock_type != CLOCK_TXFROMRX &&
 		    new_line.clock_type != CLOCK_INT &&
 		    new_line.clock_type != CLOCK_TXINT)
-		return -EINVAL;	/* No such clock setting */
+			return -EINVAL;	/* No such clock setting */
 
 		if (new_line.loopback != 0 && new_line.loopback != 1)
 			return -EINVAL;
@@ -379,14 +379,14 @@ static int __init n2_run(unsigned long io, unsigned long irq,
 	if (request_irq(irq, sca_intr, 0, devname, card)) {
 		printk(KERN_ERR "n2: could not allocate IRQ\n");
 		n2_destroy_card(card);
-		return(-EBUSY);
+		return -EBUSY;
 	}
 	card->irq = irq;
 
 	if (!request_mem_region(winbase, USE_WINDOWSIZE, devname)) {
 		printk(KERN_ERR "n2: could not request RAM window\n");
 		n2_destroy_card(card);
-		return(-EBUSY);
+		return -EBUSY;
 	}
 	card->phy_winbase = winbase;
 	card->winbase = ioremap(winbase, USE_WINDOWSIZE);

drivers/net/wan/pc300_drv.c

@@ -1,5 +1,5 @@
 #define	USE_PCI_CLOCK
-static char rcsid[] = 
+static const char rcsid[] =
 "Revision: 3.4.5 Date: 2002/03/07 ";
 
 /*
@@ -451,11 +451,11 @@ static int dma_get_rx_frame_size(pc300_t * card, int ch)
 		if ((status & DST_EOM) || (first_bd == card->chan[ch].rx_last_bd)) {
 			/* Return the size of a good frame or incomplete bad frame 
 			* (dma_buf_read will clean the buffer descriptors in this case). */
-			return (rcvd);
+			return rcvd;
 		}
 		ptdescr = (card->hw.rambase + cpc_readl(&ptdescr->next));
 	}
-	return (-1);
+	return -1;
 }
 
 /*
@@ -557,7 +557,7 @@ static int dma_buf_read(pc300_t * card, int ch, struct sk_buff *skb)
 		cpc_writel(card->hw.scabase + DRX_REG(EDAL, ch),
 			   RX_BD_ADDR(ch, chan->rx_last_bd));
 	}
-	return (rcvd);
+	return rcvd;
 }
 
 static void tx_dma_stop(pc300_t * card, int ch)
@@ -1733,7 +1733,7 @@ static u16 falc_pattern_test_error(pc300_t * card, int ch)
 	pc300ch_t *chan = (pc300ch_t *) & card->chan[ch];
 	falc_t *pfalc = (falc_t *) & chan->falc;
 
-	return (pfalc->bec);
+	return pfalc->bec;
 }
 
 /**********************************/
@@ -2819,7 +2819,7 @@ static int clock_rate_calc(u32 rate, u32 clock, int *br_io)
 	*br_io = 0;
 
 	if (rate == 0)
-		return (0);
+		return 0;
 
 	for (br = 0, br_pwr = 1; br <= 9; br++, br_pwr <<= 1) {
 		if ((tc = clock / br_pwr / rate) <= 0xff) {
@@ -2832,11 +2832,11 @@ static int clock_rate_calc(u32 rate, u32 clock, int *br_io)
 		error = ((rate - (clock / br_pwr / rate)) / rate) * 1000;
 		/* Errors bigger than +/- 1% won't be tolerated */
 		if (error < -10 || error > 10)
-			return (-1);
+			return -1;
 		else
-			return (tc);
+			return tc;
 	} else {
-		return (-1);
+		return -1;
 	}
 }
 
@@ -3207,7 +3207,7 @@ static u32 detect_ram(pc300_t * card)
 			break;
 		}
 	}
-	return (i);
+	return i;
 }
 
 static void plx_init(pc300_t * card)

drivers/net/wan/pc300_tty.c

@@ -540,7 +540,7 @@ static int cpc_tty_chars_in_buffer(struct tty_struct *tty)
 		return -ENODEV; 
 	}
    
-	return(0); 
+	return 0;
 } 
 
 static int pc300_tiocmset(struct tty_struct *tty, struct file *file,

drivers/net/wan/pci200syn.c

@@ -220,7 +220,7 @@ static int pci200_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		    new_line.clock_type != CLOCK_TXFROMRX &&
 		    new_line.clock_type != CLOCK_INT &&
 		    new_line.clock_type != CLOCK_TXINT)
-		return -EINVAL;	/* No such clock setting */
+			return -EINVAL;	/* No such clock setting */
 
 		if (new_line.loopback != 0 && new_line.loopback != 1)
 			return -EINVAL;

drivers/net/wan/sdla.c

@@ -178,7 +178,7 @@ static char sdla_byte(struct net_device *dev, int addr)
 	byte = *temp;
 	spin_unlock_irqrestore(&sdla_lock, flags);
 
-	return(byte);
+	return byte;
 }
 
 static void sdla_stop(struct net_device *dev)
@@ -267,7 +267,7 @@ static int sdla_z80_poll(struct net_device *dev, int z80_addr, int jiffs, char r
 			resp = *temp;
 		}
 	}
-	return(time_before(jiffies, done) ? jiffies - start : -1);
+	return time_before(jiffies, done) ? jiffies - start : -1;
 }
 
 /* constants for Z80 CPU speed */
@@ -283,13 +283,13 @@ static int sdla_cpuspeed(struct net_device *dev, struct ifreq *ifr)
 
 	sdla_start(dev);
 	if (sdla_z80_poll(dev, 0, 3*HZ, Z80_READY, 0) < 0)
-		return(-EIO);
+		return -EIO;
 
 	data = LOADER_READY;
 	sdla_write(dev, 0, &data, 1);
 
 	if ((jiffs = sdla_z80_poll(dev, 0, 8*HZ, Z80_SCC_OK, Z80_SCC_BAD)) < 0)
-		return(-EIO);
+		return -EIO;
 
 	sdla_stop(dev);
 	sdla_read(dev, 0, &data, 1);
@@ -297,11 +297,11 @@ static int sdla_cpuspeed(struct net_device *dev, struct ifreq *ifr)
 	if (data == Z80_SCC_BAD)
 	{
 		printk("%s: SCC bad\n", dev->name);
-		return(-EIO);
+		return -EIO;
 	}
 
 	if (data != Z80_SCC_OK)
-		return(-EINVAL);
+		return -EINVAL;
 
 	if (jiffs < 165)
 		ifr->ifr_mtu = SDLA_CPU_16M;
@@ -316,7 +316,7 @@ static int sdla_cpuspeed(struct net_device *dev, struct ifreq *ifr)
 	else
 		ifr->ifr_mtu = SDLA_CPU_3M;
  
-	return(0);
+	return 0;
 }
 
 /************************************************
@@ -493,7 +493,7 @@ static int sdla_cmd(struct net_device *dev, int cmd, short dlci, short flags,
 	if (ret != SDLA_RET_OK)
 	   	sdla_errors(dev, cmd, dlci, ret, len, &status);
 
-	return(ret);
+	return ret;
 }
 
 /***********************************************
@@ -516,14 +516,14 @@ static int sdla_activate(struct net_device *slave, struct net_device *master)
 			break;
 
 	if (i == CONFIG_DLCI_MAX)
-		return(-ENODEV);
+		return -ENODEV;
 
 	flp->dlci[i] = abs(flp->dlci[i]);
 
 	if (netif_running(slave) && (flp->config.station == FRAD_STATION_NODE))
 		sdla_cmd(slave, SDLA_ACTIVATE_DLCI, 0, 0, &flp->dlci[i], sizeof(short), NULL, NULL);
 
-	return(0);
+	return 0;
 }
 
 static int sdla_deactivate(struct net_device *slave, struct net_device *master)
@@ -538,14 +538,14 @@ static int sdla_deactivate(struct net_device *slave, struct net_device *master)
 			break;
 
 	if (i == CONFIG_DLCI_MAX)
-		return(-ENODEV);
+		return -ENODEV;
 
 	flp->dlci[i] = -abs(flp->dlci[i]);
 
 	if (netif_running(slave) && (flp->config.station == FRAD_STATION_NODE))
 		sdla_cmd(slave, SDLA_DEACTIVATE_DLCI, 0, 0, &flp->dlci[i], sizeof(short), NULL, NULL);
 
-	return(0);
+	return 0;
 }
 
 static int sdla_assoc(struct net_device *slave, struct net_device *master)
@@ -554,7 +554,7 @@ static int sdla_assoc(struct net_device *slave, struct net_device *master)
 	int               i;
 
 	if (master->type != ARPHRD_DLCI)
-		return(-EINVAL);
+		return -EINVAL;
 
 	flp = netdev_priv(slave);
 
@@ -563,11 +563,11 @@ static int sdla_assoc(struct net_device *slave, struct net_device *master)
 		if (!flp->master[i])
 			break;
 		if (abs(flp->dlci[i]) == *(short *)(master->dev_addr))
-			return(-EADDRINUSE);
+			return -EADDRINUSE;
 	} 
 
 	if (i == CONFIG_DLCI_MAX)
-		return(-EMLINK);  /* #### Alan: Comments on this ?? */
+		return -EMLINK;  /* #### Alan: Comments on this ?? */
 
 
 	flp->master[i] = master;
@@ -581,7 +581,7 @@ static int sdla_assoc(struct net_device *slave, struct net_device *master)
 			sdla_cmd(slave, SDLA_ADD_DLCI, 0, 0, master->dev_addr, sizeof(short), NULL, NULL);
 	}
 
-	return(0);
+	return 0;
 }
 
 static int sdla_deassoc(struct net_device *slave, struct net_device *master)
@@ -596,7 +596,7 @@ static int sdla_deassoc(struct net_device *slave, struct net_device *master)
 			break;
 
 	if (i == CONFIG_DLCI_MAX)
-		return(-ENODEV);
+		return -ENODEV;
 
 	flp->master[i] = NULL;
 	flp->dlci[i] = 0;
@@ -609,7 +609,7 @@ static int sdla_deassoc(struct net_device *slave, struct net_device *master)
 			sdla_cmd(slave, SDLA_DELETE_DLCI, 0, 0, master->dev_addr, sizeof(short), NULL, NULL);
 	}
 
-	return(0);
+	return 0;
 }
 
 static int sdla_dlci_conf(struct net_device *slave, struct net_device *master, int get)
@@ -626,7 +626,7 @@ static int sdla_dlci_conf(struct net_device *slave, struct net_device *master, i
 			break;
 
 	if (i == CONFIG_DLCI_MAX)
-		return(-ENODEV);
+		return -ENODEV;
 
 	dlp = netdev_priv(master);
 
@@ -641,7 +641,7 @@ static int sdla_dlci_conf(struct net_device *slave, struct net_device *master, i
 			            &dlp->config, sizeof(struct dlci_conf) - 4 * sizeof(short), NULL, NULL);
 	}
 
-	return(ret == SDLA_RET_OK ? 0 : -EIO);
+	return ret == SDLA_RET_OK ? 0 : -EIO;
 }
 
 /**************************
@@ -986,7 +986,7 @@ static int sdla_close(struct net_device *dev)
 
 	netif_stop_queue(dev);
 	
-	return(0);
+	return 0;
 }
 
 struct conf_data {
@@ -1006,10 +1006,10 @@ static int sdla_open(struct net_device *dev)
 	flp = netdev_priv(dev);
 
 	if (!flp->initialized)
-		return(-EPERM);
+		return -EPERM;
 
 	if (!flp->configured)
-		return(-EPERM);
+		return -EPERM;
 
 	/* time to send in the configuration */
 	len = 0;
@@ -1087,7 +1087,7 @@ static int sdla_open(struct net_device *dev)
 
 	netif_start_queue(dev);
 	
-	return(0);
+	return 0;
 }
 
 static int sdla_config(struct net_device *dev, struct frad_conf __user *conf, int get)
@@ -1098,48 +1098,48 @@ static int sdla_config(struct net_device *dev, struct frad_conf __user *conf, in
 	short             size;
 
 	if (dev->type == 0xFFFF)
-		return(-EUNATCH);
+		return -EUNATCH;
 
 	flp = netdev_priv(dev);
 
 	if (!get)
 	{
 		if (netif_running(dev))
-			return(-EBUSY);
+			return -EBUSY;
 
 		if(copy_from_user(&data.config, conf, sizeof(struct frad_conf)))
 			return -EFAULT;
 
 		if (data.config.station & ~FRAD_STATION_NODE)
-			return(-EINVAL);
+			return -EINVAL;
 
 		if (data.config.flags & ~FRAD_VALID_FLAGS)
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.kbaud < 0) || 
 			 ((data.config.kbaud > 128) && (flp->type != SDLA_S508)))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if (data.config.clocking & ~(FRAD_CLOCK_INT | SDLA_S508_PORT_RS232))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.mtu < 0) || (data.config.mtu > SDLA_MAX_MTU))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.T391 < 5) || (data.config.T391 > 30))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.T392 < 5) || (data.config.T392 > 30))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.N391 < 1) || (data.config.N391 > 255))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.N392 < 1) || (data.config.N392 > 10))
-			return(-EINVAL);
+			return -EINVAL;
 
 		if ((data.config.N393 < 1) || (data.config.N393 > 10))
-			return(-EINVAL);
+			return -EINVAL;
 
 		memcpy(&flp->config, &data.config, sizeof(struct frad_conf));
 		flp->config.flags |= SDLA_DIRECT_RECV;
@@ -1171,7 +1171,7 @@ static int sdla_config(struct net_device *dev, struct frad_conf __user *conf, in
 		{
 			size = sizeof(data);
 			if (sdla_cmd(dev, SDLA_READ_DLCI_CONFIGURATION, 0, 0, NULL, 0, &data, &size) != SDLA_RET_OK)
-				return(-EIO);
+				return -EIO;
 		}
 		else
 			if (flp->configured)
@@ -1185,7 +1185,7 @@ static int sdla_config(struct net_device *dev, struct frad_conf __user *conf, in
 		return copy_to_user(conf, &data.config, sizeof(struct frad_conf))?-EFAULT:0;
 	}
 
-	return(0);
+	return 0;
 }
 
 static int sdla_xfer(struct net_device *dev, struct sdla_mem __user *info, int read)
@@ -1200,7 +1200,7 @@ static int sdla_xfer(struct net_device *dev, struct sdla_mem __user *info, int r
 	{	
 		temp = kzalloc(mem.len, GFP_KERNEL);
 		if (!temp)
-			return(-ENOMEM);
+			return -ENOMEM;
 		sdla_read(dev, mem.addr, temp, mem.len);
 		if(copy_to_user(mem.data, temp, mem.len))
 		{
@@ -1217,7 +1217,7 @@ static int sdla_xfer(struct net_device *dev, struct sdla_mem __user *info, int r
 		sdla_write(dev, mem.addr, temp, mem.len);
 		kfree(temp);
 	}
-	return(0);
+	return 0;
 }
 
 static int sdla_reconfig(struct net_device *dev)
@@ -1241,7 +1241,7 @@ static int sdla_reconfig(struct net_device *dev)
 	sdla_cmd(dev, SDLA_SET_DLCI_CONFIGURATION, 0, 0, &data, len, NULL, NULL);
 	sdla_cmd(dev, SDLA_ENABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
 
-	return(0);
+	return 0;
 }
 
 static int sdla_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -1254,20 +1254,20 @@ static int sdla_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	flp = netdev_priv(dev);
 
 	if (!flp->initialized)
-		return(-EINVAL);
+		return -EINVAL;
 
 	switch (cmd)
 	{
 		case FRAD_GET_CONF:
 		case FRAD_SET_CONF:
-			return(sdla_config(dev, ifr->ifr_data, cmd == FRAD_GET_CONF));
+			return sdla_config(dev, ifr->ifr_data, cmd == FRAD_GET_CONF);
 
 		case SDLA_IDENTIFY:
 			ifr->ifr_flags = flp->type;
 			break;
 
 		case SDLA_CPUSPEED:
-			return(sdla_cpuspeed(dev, ifr)); 
+			return sdla_cpuspeed(dev, ifr);
 
 /* ==========================================================
 NOTE:  This is rather a useless action right now, as the
@@ -1277,7 +1277,7 @@ NOTE:  This is rather a useless action right now, as the
 ============================================================*/
 		case SDLA_PROTOCOL:
 			if (flp->configured)
-				return(-EALREADY);
+				return -EALREADY;
 
 			switch (ifr->ifr_flags)
 			{
@@ -1285,7 +1285,7 @@ NOTE:  This is rather a useless action right now, as the
 					dev->type = ifr->ifr_flags;
 					break;
 				default:
-					return(-ENOPROTOOPT);
+					return -ENOPROTOOPT;
 			}
 			break;
 
@@ -1297,7 +1297,7 @@ NOTE:  This is rather a useless action right now, as the
 		case SDLA_READMEM:
 			if(!capable(CAP_SYS_RAWIO))
 				return -EPERM;
-			return(sdla_xfer(dev, ifr->ifr_data, cmd == SDLA_READMEM));
+			return sdla_xfer(dev, ifr->ifr_data, cmd == SDLA_READMEM);
 
 		case SDLA_START:
 			sdla_start(dev);
@@ -1308,9 +1308,9 @@ NOTE:  This is rather a useless action right now, as the
 			break;
 
 		default:
-			return(-EOPNOTSUPP);
+			return -EOPNOTSUPP;
 	}
-	return(0);
+	return 0;
 }
 
 static int sdla_change_mtu(struct net_device *dev, int new_mtu)
@@ -1320,10 +1320,10 @@ static int sdla_change_mtu(struct net_device *dev, int new_mtu)
 	flp = netdev_priv(dev);
 
 	if (netif_running(dev))
-		return(-EBUSY);
+		return -EBUSY;
 
 	/* for now, you can't change the MTU! */
-	return(-EOPNOTSUPP);
+	return -EOPNOTSUPP;
 }
 
 static int sdla_set_config(struct net_device *dev, struct ifmap *map)
@@ -1337,18 +1337,18 @@ static int sdla_set_config(struct net_device *dev, struct ifmap *map)
 	flp = netdev_priv(dev);
 
 	if (flp->initialized)
-		return(-EINVAL);
+		return -EINVAL;
 
 	for(i=0; i < ARRAY_SIZE(valid_port); i++)
 		if (valid_port[i] == map->base_addr)
 			break;   
 
 	if (i == ARRAY_SIZE(valid_port))
-		return(-EINVAL);
+		return -EINVAL;
 
 	if (!request_region(map->base_addr, SDLA_IO_EXTENTS, dev->name)){
 		printk(KERN_WARNING "SDLA: io-port 0x%04lx in use\n", dev->base_addr);
-		return(-EINVAL);
+		return -EINVAL;
 	}
 	base = map->base_addr;
 

drivers/net/wan/x25_asy.c

@@ -648,7 +648,7 @@ static int x25_asy_esc(unsigned char *s, unsigned char *d, int len)
 		}
 	}
 	*ptr++ = X25_END;
-	return (ptr - d);
+	return ptr - d;
 }
 
 static void x25_asy_unesc(struct x25_asy *sl, unsigned char s)

drivers/net/wan/z85230.c

@@ -766,7 +766,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
 
 EXPORT_SYMBOL(z8530_interrupt);
 
-static char reg_init[16]=
+static const u8 reg_init[16]=
 {
 	0,0,0,0,
 	0,0,0,0,
@@ -1206,7 +1206,7 @@ EXPORT_SYMBOL(z8530_sync_txdma_close);
  *	it exists...
  */
  
-static char *z8530_type_name[]={
+static const char *z8530_type_name[]={
 	"Z8530",
 	"Z85C30",
 	"Z85230"