Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 124 insertions, 124 deletions

diff --git a/drivers/isdn/pcbit/drv.c b/drivers/isdn/pcbit/drv.c
index 1507d2e83fbb..1eaf62273903 100644
--- a/drivers/isdn/pcbit/drv.c
+++ b/drivers/isdn/pcbit/drv.c
@@ -2,10 +2,10 @@
  * PCBIT-D interface with isdn4linux
  *
  * Copyright (C) 1996 Universidade de Lisboa
- * 
+ *
  * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
  *
- * This software may be used and distributed according to the terms of 
+ * This software may be used and distributed according to the terms of
  * the GNU General Public License, incorporated herein by reference.
  */
 
@@ -14,7 +14,7 @@
  *
  *	Nuno Grilo	<l38486@alfa.ist.utl.pt>
  *      fixed msn_list NULL pointer dereference.
- *		
+ *
  */
 
 #include <linux/module.h>
@@ -43,9 +43,9 @@
 
 extern ushort last_ref_num;
 
-static int pcbit_ioctl(isdn_ctrl* ctl);
+static int pcbit_ioctl(isdn_ctrl *ctl);
 
-static char* pcbit_devname[MAX_PCBIT_CARDS] = {
+static char *pcbit_devname[MAX_PCBIT_CARDS] = {
 	"pcbit0",
 	"pcbit1",
 	"pcbit2",
@@ -56,12 +56,12 @@ static char* pcbit_devname[MAX_PCBIT_CARDS] = {
  * prototypes
  */
 
-static int pcbit_command(isdn_ctrl* ctl);
-static int pcbit_stat(u_char __user * buf, int len, int, int);
+static int pcbit_command(isdn_ctrl *ctl);
+static int pcbit_stat(u_char __user *buf, int len, int, int);
 static int pcbit_xmit(int driver, int chan, int ack, struct sk_buff *skb);
 static int pcbit_writecmd(const u_char __user *, int, int, int);
 
-static int set_protocol_running(struct pcbit_dev * dev);
+static int set_protocol_running(struct pcbit_dev *dev);
 
 static void pcbit_clear_msn(struct pcbit_dev *dev);
 static void pcbit_set_msn(struct pcbit_dev *dev, char *list);
@@ -73,7 +73,7 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 	struct pcbit_dev *dev;
 	isdn_if *dev_if;
 
-	if ((dev=kzalloc(sizeof(struct pcbit_dev), GFP_KERNEL)) == NULL)
+	if ((dev = kzalloc(sizeof(struct pcbit_dev), GFP_KERNEL)) == NULL)
 	{
 		printk("pcbit_init: couldn't malloc pcbit_dev struct\n");
 		return -ENOMEM;
@@ -83,19 +83,19 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 	init_waitqueue_head(&dev->set_running_wq);
 	spin_lock_init(&dev->lock);
 
-	if (mem_base >= 0xA0000 && mem_base <= 0xFFFFF ) {
+	if (mem_base >= 0xA0000 && mem_base <= 0xFFFFF) {
 		dev->ph_mem = mem_base;
 		if (!request_mem_region(dev->ph_mem, 4096, "PCBIT mem")) {
 			printk(KERN_WARNING
-				"PCBIT: memory region %lx-%lx already in use\n",
-				dev->ph_mem, dev->ph_mem + 4096);
+			       "PCBIT: memory region %lx-%lx already in use\n",
+			       dev->ph_mem, dev->ph_mem + 4096);
 			kfree(dev);
 			dev_pcbit[board] = NULL;
 			return -EACCES;
 		}
 		dev->sh_mem = ioremap(dev->ph_mem, 4096);
 	}
-	else 
+	else
 	{
 		printk("memory address invalid");
 		kfree(dev);
@@ -111,7 +111,7 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 		kfree(dev);
 		return -ENOMEM;
 	}
-    
+
 	dev->b2 = kzalloc(sizeof(struct pcbit_chan), GFP_KERNEL);
 	if (!dev->b2) {
 		printk("pcbit_init: couldn't malloc pcbit_chan struct\n");
@@ -130,7 +130,7 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 	 *  interrupts
 	 */
 
-	if (request_irq(irq, &pcbit_irq_handler, 0, pcbit_devname[board], dev) != 0) 
+	if (request_irq(irq, &pcbit_irq_handler, 0, pcbit_devname[board], dev) != 0)
 	{
 		kfree(dev->b1);
 		kfree(dev->b2);
@@ -168,16 +168,16 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 	dev_if->owner = THIS_MODULE;
 
 	dev_if->channels = 2;
-	
-	dev_if->features = (ISDN_FEATURE_P_EURO  | ISDN_FEATURE_L3_TRANS | 
-			    ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L2_TRANS );
+
+	dev_if->features = (ISDN_FEATURE_P_EURO  | ISDN_FEATURE_L3_TRANS |
+			    ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L2_TRANS);
 
 	dev_if->writebuf_skb = pcbit_xmit;
 	dev_if->hl_hdrlen = 16;
 
 	dev_if->maxbufsize = MAXBUFSIZE;
 	dev_if->command  = pcbit_command;
-	
+
 	dev_if->writecmd = pcbit_writecmd;
 	dev_if->readstat = pcbit_stat;
 
@@ -211,12 +211,12 @@ int pcbit_init_dev(int board, int mem_base, int irq)
 #ifdef MODULE
 void pcbit_terminate(int board)
 {
-	struct pcbit_dev * dev;
+	struct pcbit_dev *dev;
 
 	dev = dev_pcbit[board];
 
 	if (dev) {
-	     /* unregister_isdn(dev->dev_if); */
+		/* unregister_isdn(dev->dev_if); */
 		free_irq(dev->irq, dev);
 		pcbit_clear_msn(dev);
 		kfree(dev->dev_if);
@@ -233,9 +233,9 @@ void pcbit_terminate(int board)
 }
 #endif
 
-static int pcbit_command(isdn_ctrl* ctl)
+static int pcbit_command(isdn_ctrl *ctl)
 {
-	struct pcbit_dev  *dev;
+	struct pcbit_dev *dev;
 	struct pcbit_chan *chan;
 	struct callb_data info;
 
@@ -250,7 +250,7 @@ static int pcbit_command(isdn_ctrl* ctl)
 	chan = (ctl->arg & 0x0F) ? dev->b2 : dev->b1;
 
 
-	switch(ctl->command) {
+	switch (ctl->command) {
 	case ISDN_CMD_IOCTL:
 		return pcbit_ioctl(ctl);
 		break;
@@ -299,10 +299,10 @@ static int pcbit_command(isdn_ctrl* ctl)
 static void pcbit_block_timer(unsigned long data)
 {
 	struct pcbit_chan *chan;
-	struct pcbit_dev * dev;
+	struct pcbit_dev *dev;
 	isdn_ctrl ictl;
 
-	chan = (struct pcbit_chan *) data;
+	chan = (struct pcbit_chan *)data;
 
 	dev = chan2dev(chan);
 
@@ -316,12 +316,12 @@ static void pcbit_block_timer(unsigned long data)
 
 #ifdef DEBUG
 	printk(KERN_DEBUG "pcbit_block_timer\n");
-#endif	
+#endif
 	chan->queued = 0;
 	ictl.driver = dev->id;
 	ictl.command = ISDN_STAT_BSENT;
 	ictl.arg = chan->id;
-	dev->dev_if->statcallb(&ictl);     
+	dev->dev_if->statcallb(&ictl);
 }
 #endif
 
@@ -329,7 +329,7 @@ static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
 {
 	ushort hdrlen;
 	int refnum, len;
-	struct pcbit_chan * chan;
+	struct pcbit_chan *chan;
 	struct pcbit_dev *dev;
 
 	dev = finddev(driver);
@@ -345,10 +345,10 @@ static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
 	if (chan->fsm_state != ST_ACTIVE)
 		return -1;
 
-	if (chan->queued >= MAX_QUEUED )
+	if (chan->queued >= MAX_QUEUED)
 	{
 #ifdef DEBUG_QUEUE
-		printk(KERN_DEBUG 
+		printk(KERN_DEBUG
 		       "pcbit: %d packets already in queue - write fails\n",
 		       chan->queued);
 #endif
@@ -365,14 +365,14 @@ static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
 			chan->block_timer.expires = jiffies + 1 * HZ;
 			add_timer(&chan->block_timer);
 		}
-#endif		
-		return 0;	                 
+#endif
+		return 0;
 	}
 
 
 	chan->queued++;
-	
-        len = skb->len;
+
+	len = skb->len;
 
 	hdrlen = capi_tdata_req(chan, skb);
 
@@ -386,10 +386,10 @@ static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
 
 static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
 {
-	struct pcbit_dev * dev;
+	struct pcbit_dev *dev;
 	int i, j;
-	const u_char * loadbuf;
-	u_char * ptr = NULL;
+	const u_char *loadbuf;
+	u_char *ptr = NULL;
 	u_char *cbuf;
 
 	int errstat;
@@ -402,7 +402,7 @@ static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int cha
 		return -ENODEV;
 	}
 
-	switch(dev->l2_state) {
+	switch (dev->l2_state) {
 	case L2_LWMODE:
 		/* check (size <= rdp_size); write buf into board */
 		if (len < 0 || len > BANK4 + 1 || len > 1024)
@@ -422,19 +422,19 @@ static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int cha
 		/* this is the hard part */
 		/* dumb board */
 		/* get it into kernel space */
-		if ((ptr = kmalloc(len, GFP_KERNEL))==NULL)
+		if ((ptr = kmalloc(len, GFP_KERNEL)) == NULL)
 			return -ENOMEM;
 		if (copy_from_user(ptr, buf, len)) {
 			kfree(ptr);
 			return -EFAULT;
 		}
 		loadbuf = ptr;
-    
+
 		errstat = 0;
 
-		for (i=0; i < len; i++)
+		for (i = 0; i < len; i++)
 		{
-			for(j=0; j < LOAD_RETRY; j++)
+			for (j = 0; j < LOAD_RETRY; j++)
 				if (!(readb(dev->sh_mem + dev->loadptr)))
 					break;
 
@@ -464,9 +464,9 @@ static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int cha
  *
  */
 
-void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg, 
-			     struct sk_buff * skb,
-			     ushort hdr_len, ushort refnum)
+void pcbit_l3_receive(struct pcbit_dev *dev, ulong msg,
+		      struct sk_buff *skb,
+		      ushort hdr_len, ushort refnum)
 {
 	struct pcbit_chan *chan;
 	struct sk_buff *skb2;
@@ -475,11 +475,11 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 	int complete, err;
 	isdn_ctrl ictl;
 
-	switch(msg) {
+	switch (msg) {
 
 	case MSG_TDATA_IND:
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
@@ -488,30 +488,30 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 
 		dev->dev_if->rcvcallb_skb(dev->id, chan->id, skb);
 
-		if (capi_tdata_resp(chan, &skb2) > 0) 
-			pcbit_l2_write(dev, MSG_TDATA_RESP, refnum, 
+		if (capi_tdata_resp(chan, &skb2) > 0)
+			pcbit_l2_write(dev, MSG_TDATA_RESP, refnum,
 				       skb2, skb2->len);
 		return;
-		break;  
+		break;
 	case MSG_TDATA_CONF:
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
 
 #ifdef DEBUG
-		if ( (*((ushort *) (skb->data + 2) )) != 0) {
-                        printk(KERN_DEBUG "TDATA_CONF error\n");
+		if ((*((ushort *)(skb->data + 2))) != 0) {
+			printk(KERN_DEBUG "TDATA_CONF error\n");
 		}
 #endif
 #ifdef BLOCK_TIMER
-                if (chan->queued == MAX_QUEUED) {
-                        del_timer(&chan->block_timer);
+		if (chan->queued == MAX_QUEUED) {
+			del_timer(&chan->block_timer);
 			chan->block_timer.function = NULL;
 		}
-                
-#endif		
+
+#endif
 		chan->queued--;
 
 		ictl.driver = dev->id;
@@ -523,7 +523,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 	case MSG_CONN_IND:
 		/*
 		 *  channel: 1st not used will do
-		 *           if both are used we're in trouble 
+		 *           if both are used we're in trouble
 		 */
 
 		if (!dev->b1->fsm_state)
@@ -531,12 +531,12 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 		else if (!dev->b2->fsm_state)
 			chan = dev->b2;
 		else {
-			printk(KERN_INFO 
+			printk(KERN_INFO
 			       "Incoming connection: no channels available");
 
-			if ((len = capi_disc_req(*(ushort*)(skb->data), &skb2, CAUSE_NOCHAN)) > 0)
+			if ((len = capi_disc_req(*(ushort *)(skb->data), &skb2, CAUSE_NOCHAN)) > 0)
 				pcbit_l2_write(dev, MSG_DISC_REQ, refnum, skb2, len);
-			break;  
+			break;
 		}
 
 		cbdata.data.setup.CalledPN = NULL;
@@ -547,7 +547,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 
 		pcbit_fsm_event(dev, chan, EV_NET_SETUP, NULL);
 
-		if (pcbit_check_msn(dev, cbdata.data.setup.CallingPN)) 
+		if (pcbit_check_msn(dev, cbdata.data.setup.CallingPN))
 			pcbit_fsm_event(dev, chan, EV_USR_PROCED_REQ, &cbdata);
 		else
 			pcbit_fsm_event(dev, chan, EV_USR_RELEASE_REQ, NULL);
@@ -555,26 +555,26 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 		kfree(cbdata.data.setup.CalledPN);
 		kfree(cbdata.data.setup.CallingPN);
 		break;
-    
+
 	case MSG_CONN_CONF:
-		/* 
+		/*
 		 * We should be able to find the channel by the message
 		 * reference number. The current version of the firmware
 		 * doesn't sent the ref number correctly.
 		 */
 #ifdef DEBUG
-		printk(KERN_DEBUG "refnum=%04x b1=%04x b2=%04x\n", refnum, 
-		       dev->b1->s_refnum, 
+		printk(KERN_DEBUG "refnum=%04x b1=%04x b2=%04x\n", refnum,
+		       dev->b1->s_refnum,
 		       dev->b2->s_refnum);
 #endif
 		/* We just try to find a channel in the right state */
 
 		if (dev->b1->fsm_state == ST_CALL_INIT)
 			chan = dev->b1;
-		else { 		   
+		else {
 			if (dev->b2->s_refnum == ST_CALL_INIT)
 				chan = dev->b2;
-			else {			
+			else {
 				chan = NULL;
 				printk(KERN_WARNING "Connection Confirm - no channel in Call Init state\n");
 				break;
@@ -589,18 +589,18 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 				pcbit_fsm_event(dev, chan, EV_NET_CALL_PROC, NULL);
 			else
 				pcbit_fsm_event(dev, chan, EV_NET_SETUP_ACK, NULL);
-		break; 
+		break;
 	case MSG_CONN_ACTV_IND:
 
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
-		
+
 		if (capi_decode_conn_actv_ind(chan, skb)) {
 			printk("error in capi_decode_conn_actv_ind\n");
-		     /* pcbit_fsm_event(dev, chan, EV_ERROR, NULL); */
+			/* pcbit_fsm_event(dev, chan, EV_ERROR, NULL); */
 			break;
 		}
 		chan->r_refnum = refnum;
@@ -609,14 +609,14 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 	case MSG_CONN_ACTV_CONF:
 
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
 
 		if (capi_decode_conn_actv_conf(chan, skb) == 0)
 			pcbit_fsm_event(dev, chan, EV_NET_CONN_ACK, NULL);
-		
+
 		else
 			printk(KERN_DEBUG "decode_conn_actv_conf failed\n");
 		break;
@@ -624,7 +624,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 	case  MSG_SELP_CONF:
 
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
@@ -638,7 +638,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 		break;
 	case MSG_ACT_TRANSP_CONF:
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
@@ -650,7 +650,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 	case MSG_DISC_IND:
 
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
@@ -662,7 +662,7 @@ void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg,
 		break;
 	case MSG_DISC_CONF:
 		if (!(chan = capi_channel(dev, skb))) {
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "CAPI header: unknown channel id\n");
 			break;
 		}
@@ -711,24 +711,24 @@ static int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
 		stat_count = STATBUF_LEN - stat_st + stat_end;
 
 	/* FIXME: should we sleep and wait for more cookies ? */
-	if (len > stat_count)            
+	if (len > stat_count)
 		len = stat_count;
 
 	if (stat_st < stat_end)
 	{
 		if (copy_to_user(buf, statbuf + stat_st, len))
 			return -EFAULT;
-		stat_st += len;	   
+		stat_st += len;
 	}
 	else
 	{
 		if (len > STATBUF_LEN - stat_st)
 		{
 			if (copy_to_user(buf, statbuf + stat_st,
-				       STATBUF_LEN - stat_st))
+					 STATBUF_LEN - stat_st))
 				return -EFAULT;
 			if (copy_to_user(buf, statbuf,
-				       len - (STATBUF_LEN - stat_st)))
+					 len - (STATBUF_LEN - stat_st)))
 				return -EFAULT;
 
 			stat_st = len - (STATBUF_LEN - stat_st);
@@ -739,7 +739,7 @@ static int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
 				return -EFAULT;
 
 			stat_st += len;
-			
+
 			if (stat_st == STATBUF_LEN)
 				stat_st = 0;
 		}
@@ -756,27 +756,27 @@ static void pcbit_logstat(struct pcbit_dev *dev, char *str)
 	int i;
 	isdn_ctrl ictl;
 
-	for (i=stat_end; i<strlen(str); i++)
+	for (i = stat_end; i < strlen(str); i++)
 	{
-		statbuf[i]=str[i];
+		statbuf[i] = str[i];
 		stat_end = (stat_end + 1) % STATBUF_LEN;
 		if (stat_end == stat_st)
 			stat_st = (stat_st + 1) % STATBUF_LEN;
 	}
 
-	ictl.command=ISDN_STAT_STAVAIL;
-	ictl.driver=dev->id;
-	ictl.arg=strlen(str);
+	ictl.command = ISDN_STAT_STAVAIL;
+	ictl.driver = dev->id;
+	ictl.arg = strlen(str);
 	dev->dev_if->statcallb(&ictl);
 }
-	
-void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan, 
+
+void pcbit_state_change(struct pcbit_dev *dev, struct pcbit_chan *chan,
 			unsigned short i, unsigned short ev, unsigned short f)
 {
 	char buf[256];
-  
+
 	sprintf(buf, "change on device: %d channel:%d\n%s -> %s -> %s\n",
-		dev->id, chan->id, 
+		dev->id, chan->id,
 		isdn_state_table[i], strisdnevent(ev), isdn_state_table[f]
 		);
 
@@ -789,7 +789,7 @@ void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan,
 
 static void set_running_timeout(unsigned long ptr)
 {
-	struct pcbit_dev * dev;
+	struct pcbit_dev *dev;
 
 #ifdef DEBUG
 	printk(KERN_DEBUG "set_running_timeout\n");
@@ -799,7 +799,7 @@ static void set_running_timeout(unsigned long ptr)
 	wake_up_interruptible(&dev->set_running_wq);
 }
 
-static int set_protocol_running(struct pcbit_dev * dev)
+static int set_protocol_running(struct pcbit_dev *dev)
 {
 	isdn_ctrl ctl;
 
@@ -813,7 +813,7 @@ static int set_protocol_running(struct pcbit_dev * dev)
 
 	dev->l2_state = L2_STARTING;
 
-	writeb((0x80U | ((dev->rcv_seq & 0x07) << 3) | (dev->send_seq & 0x07)), 
+	writeb((0x80U | ((dev->rcv_seq & 0x07) << 3) | (dev->send_seq & 0x07)),
 	       dev->sh_mem + BANK4);
 
 	add_timer(&dev->set_running_timer);
@@ -830,8 +830,8 @@ static int set_protocol_running(struct pcbit_dev * dev)
 
 		dev->writeptr = dev->sh_mem;
 		dev->readptr = dev->sh_mem + BANK2;
-    
-		/* tell the good news to the upper layer */  
+
+		/* tell the good news to the upper layer */
 		ctl.driver = dev->id;
 		ctl.command = ISDN_STAT_RUN;
 
@@ -845,7 +845,7 @@ static int set_protocol_running(struct pcbit_dev * dev)
 		dev->l2_state = L2_DOWN;
 
 #ifdef DEBUG
-		printk(KERN_DEBUG "Bank3 = %02x\n", 
+		printk(KERN_DEBUG "Bank3 = %02x\n",
 		       readb(dev->sh_mem + BANK3));
 #endif
 		writeb(0x40, dev->sh_mem + BANK4);
@@ -862,13 +862,13 @@ static int set_protocol_running(struct pcbit_dev * dev)
 	return 0;
 }
 
-static int pcbit_ioctl(isdn_ctrl* ctl)
+static int pcbit_ioctl(isdn_ctrl *ctl)
 {
-	struct pcbit_dev * dev;
+	struct pcbit_dev *dev;
 	struct pcbit_ioctl *cmd;
 
 	dev = finddev(ctl->driver);
-  
+
 	if (!dev)
 	{
 		printk(KERN_DEBUG "pcbit_ioctl: unknown device\n");
@@ -877,7 +877,7 @@ static int pcbit_ioctl(isdn_ctrl* ctl)
 
 	cmd = (struct pcbit_ioctl *) ctl->parm.num;
 
-	switch(ctl->arg) {
+	switch (ctl->arg) {
 	case PCBIT_IOCTL_GETSTAT:
 		cmd->info.l2_status = dev->l2_state;
 		break;
@@ -890,7 +890,7 @@ static int pcbit_ioctl(isdn_ctrl* ctl)
 
 		dev->writeptr = dev->sh_mem;
 		dev->readptr = dev->sh_mem + BANK2;
-    
+
 		dev->l2_state = L2_LOADING;
 		break;
 
@@ -907,21 +907,21 @@ static int pcbit_ioctl(isdn_ctrl* ctl)
 		dev->loadptr = LOAD_ZONE_START;
 		dev->l2_state = L2_FWMODE;
 
-		break; 
+		break;
 	case PCBIT_IOCTL_ENDLOAD:
 		if (dev->l2_state == L2_RUNNING)
 			return -EBUSY;
 		dev->l2_state = L2_DOWN;
-		break; 
+		break;
 
-	case PCBIT_IOCTL_SETBYTE: 
+	case PCBIT_IOCTL_SETBYTE:
 		if (dev->l2_state == L2_RUNNING)
 			return -EBUSY;
 
 		/* check addr */
 		if (cmd->info.rdp_byte.addr > BANK4)
 			return -EFAULT;
-		
+
 		writeb(cmd->info.rdp_byte.value, dev->sh_mem + cmd->info.rdp_byte.addr);
 		break;
 	case PCBIT_IOCTL_GETBYTE:
@@ -935,10 +935,10 @@ static int pcbit_ioctl(isdn_ctrl* ctl)
 			printk("getbyte: invalid addr %04x\n", cmd->info.rdp_byte.addr);
 			return -EFAULT;
 		}
-		
-		cmd->info.rdp_byte.value = readb(dev->sh_mem + cmd->info.rdp_byte.addr); 
+
+		cmd->info.rdp_byte.value = readb(dev->sh_mem + cmd->info.rdp_byte.addr);
 		break;
-	case PCBIT_IOCTL_RUNNING: 
+	case PCBIT_IOCTL_RUNNING:
 		if (dev->l2_state == L2_RUNNING)
 			return -EBUSY;
 		return set_protocol_running(dev);
@@ -972,25 +972,25 @@ static int pcbit_ioctl(isdn_ctrl* ctl)
 	return 0;
 }
 
-/* 
+/*
  *        MSN list handling
  *
  *        if null reject all calls
- *        if first entry has null MSN accept all calls 
+ *        if first entry has null MSN accept all calls
  */
 
 static void pcbit_clear_msn(struct pcbit_dev *dev)
 {
 	struct msn_entry *ptr, *back;
 
-	for (ptr=dev->msn_list; ptr; )
+	for (ptr = dev->msn_list; ptr;)
 	{
 		back = ptr->next;
 		kfree(ptr);
 		ptr = back;
 	}
 
-	dev->msn_list = NULL; 
+	dev->msn_list = NULL;
 }
 
 static void pcbit_set_msn(struct pcbit_dev *dev, char *list)
@@ -1016,12 +1016,12 @@ static void pcbit_set_msn(struct pcbit_dev *dev, char *list)
 	}
 
 	if (dev->msn_list)
-		for (back=dev->msn_list; back->next; back=back->next);
-	
+		for (back = dev->msn_list; back->next; back = back->next);
+
 	sp = list;
 
 	do {
-		cp=strchr(sp, ',');
+		cp = strchr(sp, ',');
 		if (cp)
 			len = cp - sp;
 		else
@@ -1034,7 +1034,7 @@ static void pcbit_set_msn(struct pcbit_dev *dev, char *list)
 			return;
 		}
 		ptr->next = NULL;
-		
+
 		ptr->msn = kmalloc(len, GFP_ATOMIC);
 		if (!ptr->msn) {
 			printk(KERN_WARNING "kmalloc failed\n");
@@ -1054,7 +1054,7 @@ static void pcbit_set_msn(struct pcbit_dev *dev, char *list)
 			back->next = ptr;
 		back = ptr;
 		sp += len;
-	} while(cp);
+	} while (cp);
 }
 
 /*
@@ -1063,12 +1063,12 @@ static void pcbit_set_msn(struct pcbit_dev *dev, char *list)
 static int pcbit_check_msn(struct pcbit_dev *dev, char *msn)
 {
 	struct msn_entry *ptr;
-	
-	for (ptr=dev->msn_list; ptr; ptr=ptr->next) {
 
-		if (ptr->msn == NULL) 
+	for (ptr = dev->msn_list; ptr; ptr = ptr->next) {
+
+		if (ptr->msn == NULL)
 			return 1;
-		
+
 		if (strcmp(ptr->msn, msn) == 0)
 			return 1;
 	}