Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

42 files changed, 180 insertions, 194 deletions

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 23ae66c76d4..6ca0bb949ad 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -350,7 +350,7 @@ static void capincci_free(struct capidev *cdev, u32 ncci)
 		if (ncci == 0xffffffff || np->ncci == ncci) {
 			*pp = (*pp)->next;
 #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-			if ((mp = np->minorp) != 0) {
+			if ((mp = np->minorp) != NULL) {
 #if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE)
 				capifs_free_ncci(mp->minor);
 #endif
@@ -366,7 +366,7 @@ static void capincci_free(struct capidev *cdev, u32 ncci)
 			}
 #endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
 			kfree(np);
-			if (*pp == 0) return;
+			if (*pp == NULL) return;
 		} else {
 			pp = &(*pp)->next;
 		}
@@ -483,7 +483,7 @@ static int handle_recv_skb(struct capiminor *mp, struct sk_buff *skb)
 #endif
 		goto bad;
 	}
-	if ((nskb = gen_data_b3_resp_for(mp, skb)) == 0) {
+	if ((nskb = gen_data_b3_resp_for(mp, skb)) == NULL) {
 		printk(KERN_ERR "capi: gen_data_b3_resp failed\n");
 		goto bad;
 	}
@@ -512,7 +512,7 @@ bad:
 static void handle_minor_recv(struct capiminor *mp)
 {
 	struct sk_buff *skb;
-	while ((skb = skb_dequeue(&mp->inqueue)) != 0) {
+	while ((skb = skb_dequeue(&mp->inqueue)) != NULL) {
 		unsigned int len = skb->len;
 		mp->inbytes -= len;
 		if (handle_recv_skb(mp, skb) < 0) {
@@ -538,7 +538,7 @@ static int handle_minor_send(struct capiminor *mp)
 		return 0;
 	}
 
-	while ((skb = skb_dequeue(&mp->outqueue)) != 0) {
+	while ((skb = skb_dequeue(&mp->outqueue)) != NULL) {
 		datahandle = mp->datahandle;
 		len = (u16)skb->len;
 		skb_push(skb, CAPI_DATA_B3_REQ_LEN);
@@ -689,19 +689,19 @@ capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 	if (!cdev->ap.applid)
 		return -ENODEV;
 
-	if ((skb = skb_dequeue(&cdev->recvqueue)) == 0) {
+	if ((skb = skb_dequeue(&cdev->recvqueue)) == NULL) {
 
 		if (file->f_flags & O_NONBLOCK)
 			return -EAGAIN;
 
 		for (;;) {
 			interruptible_sleep_on(&cdev->recvwait);
-			if ((skb = skb_dequeue(&cdev->recvqueue)) != 0)
+			if ((skb = skb_dequeue(&cdev->recvqueue)) != NULL)
 				break;
 			if (signal_pending(current))
 				break;
 		}
-		if (skb == 0)
+		if (skb == NULL)
 			return -ERESTARTNOHAND;
 	}
 	if (skb->len > count) {
@@ -940,12 +940,12 @@ capi_ioctl(struct inode *inode, struct file *file,
 				return -EFAULT;
 
 			mutex_lock(&cdev->ncci_list_mtx);
-			if ((nccip = capincci_find(cdev, (u32) ncci)) == 0) {
+			if ((nccip = capincci_find(cdev, (u32) ncci)) == NULL) {
 				mutex_unlock(&cdev->ncci_list_mtx);
 				return 0;
 			}
 #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-			if ((mp = nccip->minorp) != 0) {
+			if ((mp = nccip->minorp) != NULL) {
 				count += atomic_read(&mp->ttyopencount);
 			}
 #endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
@@ -966,7 +966,7 @@ capi_ioctl(struct inode *inode, struct file *file,
 				return -EFAULT;
 			mutex_lock(&cdev->ncci_list_mtx);
 			nccip = capincci_find(cdev, (u32) ncci);
-			if (!nccip || (mp = nccip->minorp) == 0) {
+			if (!nccip || (mp = nccip->minorp) == NULL) {
 				mutex_unlock(&cdev->ncci_list_mtx);
 				return -ESRCH;
 			}
@@ -986,7 +986,7 @@ capi_open(struct inode *inode, struct file *file)
 	if (file->private_data)
 		return -EEXIST;
 
-	if ((file->private_data = capidev_alloc()) == 0)
+	if ((file->private_data = capidev_alloc()) == NULL)
 		return -ENOMEM;
 
 	return nonseekable_open(inode, file);
@@ -1023,9 +1023,9 @@ static int capinc_tty_open(struct tty_struct * tty, struct file * file)
 	struct capiminor *mp;
 	unsigned long flags;
 
-	if ((mp = capiminor_find(iminor(file->f_path.dentry->d_inode))) == 0)
+	if ((mp = capiminor_find(iminor(file->f_path.dentry->d_inode))) == NULL)
 		return -ENXIO;
-	if (mp->nccip == 0)
+	if (mp->nccip == NULL)
 		return -ENXIO;
 
 	tty->driver_data = (void *)mp;
@@ -1058,7 +1058,7 @@ static void capinc_tty_close(struct tty_struct * tty, struct file * file)
 #ifdef _DEBUG_REFCOUNT
 		printk(KERN_DEBUG "capinc_tty_close ocount=%d\n", atomic_read(&mp->ttyopencount));
 #endif
-		if (mp->nccip == 0)
+		if (mp->nccip == NULL)
 			capiminor_free(mp);
 	}
 
@@ -1111,11 +1111,12 @@ static int capinc_tty_write(struct tty_struct * tty,
 	return count;
 }
 
-static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
+static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
 {
 	struct capiminor *mp = (struct capiminor *)tty->driver_data;
 	struct sk_buff *skb;
 	unsigned long flags;
+	int ret = 1;
 
 #ifdef _DEBUG_TTYFUNCS
 	printk(KERN_DEBUG "capinc_put_char(%u)\n", ch);
@@ -1125,7 +1126,7 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
 #ifdef _DEBUG_TTYFUNCS
 		printk(KERN_DEBUG "capinc_tty_put_char: mp or mp->ncci NULL\n");
 #endif
-		return;
+		return 0;
 	}
 
 	spin_lock_irqsave(&workaround_lock, flags);
@@ -1134,7 +1135,7 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
 		if (skb_tailroom(skb) > 0) {
 			*(skb_put(skb, 1)) = ch;
 			spin_unlock_irqrestore(&workaround_lock, flags);
-			return;
+			return 1;
 		}
 		mp->ttyskb = NULL;
 		skb_queue_tail(&mp->outqueue, skb);
@@ -1148,8 +1149,10 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
 		mp->ttyskb = skb;
 	} else {
 		printk(KERN_ERR "capinc_put_char: char %u lost\n", ch);
+		ret = 0;
 	}
 	spin_unlock_irqrestore(&workaround_lock, flags);
+	return ret;
 }
 
 static void capinc_tty_flush_chars(struct tty_struct *tty)
@@ -1526,9 +1529,9 @@ static int __init capi_init(void)
 	char *compileinfo;
 	int major_ret;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, sizeof(rev));
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index cb42b690b45..d5b4cc357a3 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -335,7 +335,7 @@ static capidrv_plci *new_plci(capidrv_contr * card, int chan)
 
 	plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
 
-	if (plcip == 0)
+	if (plcip == NULL)
 		return NULL;
 
 	plcip->state = ST_PLCI_NONE;
@@ -404,7 +404,7 @@ static inline capidrv_ncci *new_ncci(capidrv_contr * card,
 
 	nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
 
-	if (nccip == 0)
+	if (nccip == NULL)
 		return NULL;
 
 	nccip->ncci = ncci;
@@ -426,7 +426,7 @@ static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci)
 	capidrv_plci *plcip;
 	capidrv_ncci *p;
 
-	if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+	if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
 		return NULL;
 
 	for (p = plcip->ncci_list; p; p = p->next)
@@ -441,7 +441,7 @@ static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
 	capidrv_plci *plcip;
 	capidrv_ncci *p;
 
-	if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+	if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
 		return NULL;
 
 	for (p = plcip->ncci_list; p; p = p->next)
@@ -755,7 +755,7 @@ static inline int new_bchan(capidrv_contr * card)
 {
 	int i;
 	for (i = 0; i < card->nbchan; i++) {
-		if (card->bchans[i].plcip == 0) {
+		if (card->bchans[i].plcip == NULL) {
 			card->bchans[i].disconnecting = 0;
 			return i;
 		}
@@ -877,7 +877,7 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
 		return;
 	}
 	bchan = &card->bchans[chan];
-	if ((plcip = new_plci(card, chan)) == 0) {
+	if ((plcip = new_plci(card, chan)) == NULL) {
 		printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr);
 		return;
 	}
@@ -1388,12 +1388,12 @@ static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
 		_cdebbuf *cdb = capi_cmsg2str(&s_cmsg);
 
 		if (cdb) {
-			printk(KERN_DEBUG "%s: applid=%d %s\n", __FUNCTION__,
+			printk(KERN_DEBUG "%s: applid=%d %s\n", __func__,
 				ap->applid, cdb->buf);
 			cdebbuf_free(cdb);
 		} else
 			printk(KERN_DEBUG "%s: applid=%d %s not traced\n",
-				__FUNCTION__, ap->applid,
+				__func__, ap->applid,
 				capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
 	}
 	if (s_cmsg.Command == CAPI_DATA_B3
@@ -1661,7 +1661,7 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
 					      NULL,	/* Useruserdata */
 					      NULL	/* Facilitydataarray */
 			    );
-			if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) {
+			if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
 				cmd.command = ISDN_STAT_DHUP;
 				cmd.driver = card->myid;
 				cmd.arg = (c->arg % card->nbchan);
@@ -1966,7 +1966,7 @@ static void enable_dchannel_trace(capidrv_contr *card)
 			card->name, errcode);
 	   return;
 	}
-	if (strstr(manufacturer, "AVM") == 0) {
+	if (strstr(manufacturer, "AVM") == NULL) {
 	   printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
 			card->name, manufacturer);
 	   return;
@@ -2291,10 +2291,10 @@ static int __init capidrv_init(void)
 	u32 ncontr, contr;
 	u16 errcode;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strncpy(rev, p + 2, sizeof(rev));
 		rev[sizeof(rev)-1] = 0;
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
@@ -2335,10 +2335,10 @@ static void __exit capidrv_exit(void)
 	char rev[32];
 	char *p;
 
-	if ((p = strchr(revision, ':')) != 0) {
+	if ((p = strchr(revision, ':')) != NULL) {
 		strncpy(rev, p + 1, sizeof(rev));
 		rev[sizeof(rev)-1] = 0;
-		if ((p = strchr(rev, '$')) != 0)
+		if ((p = strchr(rev, '$')) != NULL)
 			*p = 0;
 	} else {
 		strcpy(rev, " ??? ");
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 6d7c47ec036..550e80f390a 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -69,6 +69,7 @@ static int capifs_remount(struct super_block *s, int *flags, char *data)
 		} else if (sscanf(this_char, "mode=%o%c", &n, &dummy) == 1)
 			mode = n & ~S_IFMT;
 		else {
+			kfree(new_opt);
 			printk("capifs: called with bogus options\n");
 			return -EINVAL;
 		}
@@ -189,9 +190,9 @@ static int __init capifs_init(void)
 	char *p;
 	int err;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, sizeof(rev));
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/capi/capilib.c b/drivers/isdn/capi/capilib.c
index 68409d971e7..fcaa1241ee7 100644
--- a/drivers/isdn/capi/capilib.c
+++ b/drivers/isdn/capi/capilib.c
@@ -4,7 +4,7 @@
 #include <linux/isdn/capilli.h>
 
 #define DBG(format, arg...) do { \
-printk(KERN_DEBUG "%s: " format "\n" , __FUNCTION__ , ## arg); \
+printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
 } while (0)
 
 struct capilib_msgidqueue {
@@ -44,7 +44,7 @@ static inline void mq_init(struct capilib_ncci * np)
 static inline int mq_enqueue(struct capilib_ncci * np, u16 msgid)
 {
 	struct capilib_msgidqueue *mq;
-	if ((mq = np->msgidfree) == 0)
+	if ((mq = np->msgidfree) == NULL)
 		return 0;
 	np->msgidfree = mq->next;
 	mq->msgid = msgid;
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c
index 22379b94e88..ebef4ce1b00 100644
--- a/drivers/isdn/capi/capiutil.c
+++ b/drivers/isdn/capi/capiutil.c
@@ -450,7 +450,7 @@ static void pars_2_message(_cmsg * cmsg)
 			cmsg->l += 4;
 			break;
 		case _CSTRUCT:
-			if (*(u8 **) OFF == 0) {
+			if (*(u8 **) OFF == NULL) {
 				*(cmsg->m + cmsg->l) = '\0';
 				cmsg->l++;
 			} else if (**(_cstruct *) OFF != 0xff) {
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index f5553186931..75726ea0fbb 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -10,7 +10,7 @@
  *
  */
 
-#define CONFIG_AVMB1_COMPAT
+#define AVMB1_COMPAT
 
 #include "kcapi.h"
 #include <linux/module.h>
@@ -29,7 +29,7 @@
 #include <asm/uaccess.h>
 #include <linux/isdn/capicmd.h>
 #include <linux/isdn/capiutil.h>
-#ifdef CONFIG_AVMB1_COMPAT
+#ifdef AVMB1_COMPAT
 #include <linux/b1lli.h>
 #endif
 #include <linux/mutex.h>
@@ -154,7 +154,7 @@ static void register_appl(struct capi_ctr *card, u16 applid, capi_register_param
 	if (card)
 		card->register_appl(card, applid, rparam);
 	else
-		printk(KERN_WARNING "%s: cannot get card resources\n", __FUNCTION__);
+		printk(KERN_WARNING "%s: cannot get card resources\n", __func__);
 }
 
 
@@ -178,7 +178,7 @@ static void notify_up(u32 contr)
 	        printk(KERN_DEBUG "kcapi: notify up contr %d\n", contr);
 	}
 	if (!card) {
-		printk(KERN_WARNING "%s: invalid contr %d\n", __FUNCTION__, contr);
+		printk(KERN_WARNING "%s: invalid contr %d\n", __func__, contr);
 		return;
 	}
 	for (applid = 1; applid <= CAPI_MAXAPPL; applid++) {
@@ -740,7 +740,7 @@ u16 capi20_get_profile(u32 contr, struct capi_profile *profp)
 
 EXPORT_SYMBOL(capi20_get_profile);
 
-#ifdef CONFIG_AVMB1_COMPAT
+#ifdef AVMB1_COMPAT
 static int old_capi_manufacturer(unsigned int cmd, void __user *data)
 {
 	avmb1_loadandconfigdef ldef;
@@ -826,7 +826,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
 		card = capi_ctr_get(card);
 		if (!card)
 			return -ESRCH;
-		if (card->load_firmware == 0) {
+		if (card->load_firmware == NULL) {
 			printk(KERN_DEBUG "kcapi: load: no load function\n");
 			return -ESRCH;
 		}
@@ -835,7 +835,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
 			printk(KERN_DEBUG "kcapi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len);
 			return -EINVAL;
 		}
-		if (ldef.t4file.data == 0) {
+		if (ldef.t4file.data == NULL) {
 			printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n");
 			return -EINVAL;
 		}
@@ -904,7 +904,7 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
         struct capi_ctr *card;
 
 	switch (cmd) {
-#ifdef CONFIG_AVMB1_COMPAT
+#ifdef AVMB1_COMPAT
 	case AVMB1_LOAD:
 	case AVMB1_LOAD_AND_CONFIG:
 	case AVMB1_RESETCARD:
@@ -951,7 +951,7 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
 			if (strcmp(driver->name, cdef.driver) == 0)
 				break;
 		}
-		if (driver == 0) {
+		if (driver == NULL) {
 			printk(KERN_ERR "kcapi: driver \"%s\" not loaded.\n",
 					cdef.driver);
 			return -ESRCH;
@@ -1004,9 +1004,9 @@ static int __init kcapi_init(void)
 		return ret;
         kcapi_proc_init();
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, sizeof(rev));
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/capi/kcapi.h b/drivers/isdn/capi/kcapi.h
index 1cb2c40f992..244711f7f83 100644
--- a/drivers/isdn/capi/kcapi.h
+++ b/drivers/isdn/capi/kcapi.h
@@ -17,7 +17,7 @@
 
 #ifdef KCAPI_DEBUG
 #define DBG(format, arg...) do { \
-printk(KERN_DEBUG "%s: " format "\n" , __FUNCTION__ , ## arg); \
+printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
 } while (0)
 #else
 #define DBG(format, arg...) /* */
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 845a797b003..c29208bd752 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -114,6 +114,7 @@ static int seq_contrstats_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations proc_controller_ops = {
+	.owner		= THIS_MODULE,
 	.open		= seq_controller_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -121,6 +122,7 @@ static const struct file_operations proc_controller_ops = {
 };
 
 static const struct file_operations proc_contrstats_ops = {
+	.owner		= THIS_MODULE,
 	.open		= seq_contrstats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -219,6 +221,7 @@ seq_applstats_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations proc_applications_ops = {
+	.owner		= THIS_MODULE,
 	.open		= seq_applications_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -226,21 +229,13 @@ static const struct file_operations proc_applications_ops = {
 };
 
 static const struct file_operations proc_applstats_ops = {
+	.owner		= THIS_MODULE,
 	.open		= seq_applstats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
 	.release	= seq_release,
 };
 
-static void
-create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
-{
-	struct proc_dir_entry *entry;
-	entry = create_proc_entry(name, mode, NULL);
-	if (entry)
-		entry->proc_fops = f;
-}
-
 // ---------------------------------------------------------------------------
 
 static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
@@ -283,6 +278,7 @@ seq_capi_driver_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations proc_driver_ops = {
+	.owner		= THIS_MODULE,
 	.open		= seq_capi_driver_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -296,11 +292,11 @@ kcapi_proc_init(void)
 {
 	proc_mkdir("capi",             NULL);
 	proc_mkdir("capi/controllers", NULL);
-	create_seq_entry("capi/controller",   0, &proc_controller_ops);
-	create_seq_entry("capi/contrstats",   0, &proc_contrstats_ops);
-	create_seq_entry("capi/applications", 0, &proc_applications_ops);
-	create_seq_entry("capi/applstats",    0, &proc_applstats_ops);
-	create_seq_entry("capi/driver",       0, &proc_driver_ops);
+	proc_create("capi/controller",   0, NULL, &proc_controller_ops);
+	proc_create("capi/contrstats",   0, NULL, &proc_contrstats_ops);
+	proc_create("capi/applications", 0, NULL, &proc_applications_ops);
+	proc_create("capi/applstats",    0, NULL, &proc_applstats_ops);
+	proc_create("capi/driver",       0, NULL, &proc_driver_ops);
 }
 
 void __exit
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 4fd4c46892e..8b256a617c8 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -288,13 +288,12 @@ divert_dev_init(void)
 	isdn_proc_entry = proc_mkdir("isdn", init_net.proc_net);
 	if (!isdn_proc_entry)
 		return (-1);
-	isdn_divert_entry = create_proc_entry("divert", S_IFREG | S_IRUGO, isdn_proc_entry);
+	isdn_divert_entry = proc_create("divert", S_IFREG | S_IRUGO,
+					isdn_proc_entry, &isdn_fops);
 	if (!isdn_divert_entry) {
 		remove_proc_entry("isdn", init_net.proc_net);
 		return (-1);
 	}
-	isdn_divert_entry->proc_fops = &isdn_fops; 
-	isdn_divert_entry->owner = THIS_MODULE; 
 #endif	/* CONFIG_PROC_FS */
 
 	return (0);
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index fceeb1d5768..45d1ee93cd3 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -68,10 +68,10 @@ static int write_modem(struct cardstate *cs)
 	struct tty_struct *tty = cs->hw.ser->tty;
 	struct bc_state *bcs = &cs->bcs[0];	/* only one channel */
 	struct sk_buff *skb = bcs->tx_skb;
-	int sent;
+	int sent = -EOPNOTSUPP;
 
 	if (!tty || !tty->driver || !skb)
-		return -EFAULT;
+		return -EINVAL;
 
 	if (!skb->len) {
 		dev_kfree_skb_any(skb);
@@ -80,7 +80,8 @@ static int write_modem(struct cardstate *cs)
 	}
 
 	set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-	sent = tty->driver->write(tty, skb->data, skb->len);
+	if (tty->ops->write)
+		sent = tty->ops->write(tty, skb->data, skb->len);
 	gig_dbg(DEBUG_OUTPUT, "write_modem: sent %d", sent);
 	if (sent < 0) {
 		/* error */
@@ -120,7 +121,7 @@ static int send_cb(struct cardstate *cs)
 
 	if (cb->len) {
 		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-		sent = tty->driver->write(tty, cb->buf + cb->offset, cb->len);
+		sent = tty->ops->write(tty, cb->buf + cb->offset, cb->len);
 		if (sent < 0) {
 			/* error */
 			gig_dbg(DEBUG_OUTPUT, "send_cb: write error %d", sent);
@@ -440,14 +441,14 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state, unsi
 	struct tty_struct *tty = cs->hw.ser->tty;
 	unsigned int set, clear;
 
-	if (!tty || !tty->driver || !tty->driver->tiocmset)
-		return -EFAULT;
+	if (!tty || !tty->driver || !tty->ops->tiocmset)
+		return -EINVAL;
 	set = new_state & ~old_state;
 	clear = old_state & ~new_state;
 	if (!set && !clear)
 		return 0;
 	gig_dbg(DEBUG_IF, "tiocmset set %x clear %x", set, clear);
-	return tty->driver->tiocmset(tty, NULL, set, clear);
+	return tty->ops->tiocmset(tty, NULL, set, clear);
 }
 
 static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
index 4484a641723..abf05ec3176 100644
--- a/drivers/isdn/hardware/avm/b1.c
+++ b/drivers/isdn/hardware/avm/b1.c
@@ -661,11 +661,11 @@ int b1ctl_read_proc(char *page, char **start, off_t off,
 	len += sprintf(page+len, "%-16s %s\n", "type", s);
 	if (card->cardtype == avm_t1isa)
 	   len += sprintf(page+len, "%-16s %d\n", "cardnr", card->cardnr);
-	if ((s = cinfo->version[VER_DRIVER]) != 0)
+	if ((s = cinfo->version[VER_DRIVER]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
-	if ((s = cinfo->version[VER_CARDTYPE]) != 0)
+	if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
-	if ((s = cinfo->version[VER_SERIAL]) != 0)
+	if ((s = cinfo->version[VER_SERIAL]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 
 	if (card->cardtype != avm_m1) {
@@ -788,9 +788,9 @@ static int __init b1_init(void)
 	char *p;
 	char rev[32];
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/b1dma.c b/drivers/isdn/hardware/avm/b1dma.c
index 669f6f67449..da34b98e3de 100644
--- a/drivers/isdn/hardware/avm/b1dma.c
+++ b/drivers/isdn/hardware/avm/b1dma.c
@@ -883,11 +883,11 @@ int b1dmactl_read_proc(char *page, char **start, off_t off,
 	default: s = "???"; break;
 	}
 	len += sprintf(page+len, "%-16s %s\n", "type", s);
-	if ((s = cinfo->version[VER_DRIVER]) != 0)
+	if ((s = cinfo->version[VER_DRIVER]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
-	if ((s = cinfo->version[VER_CARDTYPE]) != 0)
+	if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
-	if ((s = cinfo->version[VER_SERIAL]) != 0)
+	if ((s = cinfo->version[VER_SERIAL]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 
 	if (card->cardtype != avm_m1) {
@@ -970,9 +970,9 @@ static int __init b1dma_init(void)
 	char *p;
 	char rev[32];
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, sizeof(rev));
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/b1isa.c b/drivers/isdn/hardware/avm/b1isa.c
index 80fb488848b..1e288eeb5e2 100644
--- a/drivers/isdn/hardware/avm/b1isa.c
+++ b/drivers/isdn/hardware/avm/b1isa.c
@@ -203,9 +203,9 @@ static int __init b1isa_init(void)
 	char rev[32];
 	int i;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/b1pci.c b/drivers/isdn/hardware/avm/b1pci.c
index 90e2e6643d1..5b314a2c404 100644
--- a/drivers/isdn/hardware/avm/b1pci.c
+++ b/drivers/isdn/hardware/avm/b1pci.c
@@ -382,9 +382,9 @@ static int __init b1pci_init(void)
 	char rev[32];
 	int err;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/b1pcmcia.c b/drivers/isdn/hardware/avm/b1pcmcia.c
index e479c0aef38..7740403b40e 100644
--- a/drivers/isdn/hardware/avm/b1pcmcia.c
+++ b/drivers/isdn/hardware/avm/b1pcmcia.c
@@ -201,9 +201,9 @@ static int __init b1pcmcia_init(void)
 	char *p;
 	char rev[32];
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 4bbbbe68807..9df1d3f66c8 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -1088,11 +1088,11 @@ static int c4_read_proc(char *page, char **start, off_t off,
 	default: s = "???"; break;
 	}
 	len += sprintf(page+len, "%-16s %s\n", "type", s);
-	if ((s = cinfo->version[VER_DRIVER]) != 0)
+	if ((s = cinfo->version[VER_DRIVER]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
-	if ((s = cinfo->version[VER_CARDTYPE]) != 0)
+	if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
-	if ((s = cinfo->version[VER_SERIAL]) != 0)
+	if ((s = cinfo->version[VER_SERIAL]) != NULL)
 	   len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 
 	if (card->cardtype != avm_m1) {
@@ -1167,7 +1167,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
 	}
 
 	card->mbase = ioremap(card->membase, 128);
-	if (card->mbase == 0) {
+	if (card->mbase == NULL) {
 		printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n",
 		       card->membase);
 		retval = -EIO;
@@ -1291,9 +1291,9 @@ static int __init c4_init(void)
 	char rev[32];
 	int err;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/t1isa.c b/drivers/isdn/hardware/avm/t1isa.c
index 6130724e46e..e7724493738 100644
--- a/drivers/isdn/hardware/avm/t1isa.c
+++ b/drivers/isdn/hardware/avm/t1isa.c
@@ -551,9 +551,9 @@ static int __init t1isa_init(void)
 	char *p;
 	int i;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/avm/t1pci.c b/drivers/isdn/hardware/avm/t1pci.c
index d1e253c94db..e6d298d7514 100644
--- a/drivers/isdn/hardware/avm/t1pci.c
+++ b/drivers/isdn/hardware/avm/t1pci.c
@@ -233,9 +233,9 @@ static int __init t1pci_init(void)
 	char rev[32];
 	int err;
 
-	if ((p = strchr(revision, ':')) != 0 && p[1]) {
+	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
-		if ((p = strchr(rev, '$')) != 0 && p > rev)
+		if ((p = strchr(rev, '$')) != NULL && p > rev)
 		   *(p-1) = 0;
 	} else
 		strcpy(rev, "1.0");
diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index 6d39f936076..5fcbdccd7a5 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -393,7 +393,7 @@ void diva_free_dma_map(void *hdev, struct _diva_dma_map_entry *pmap)
 	dma_addr_t dma_handle;
 	void *addr_handle;
 
-	for (i = 0; (pmap != 0); i++) {
+	for (i = 0; (pmap != NULL); i++) {
 		diva_get_dma_map_entry(pmap, i, &cpu_addr, &phys_addr);
 		if (!cpu_addr) {
 			break;
diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c
index 0632a260699..fae895828a1 100644
--- a/drivers/isdn/hardware/eicon/divasproc.c
+++ b/drivers/isdn/hardware/eicon/divasproc.c
@@ -125,15 +125,11 @@ static const struct file_operations divas_fops = {
 
 int create_divas_proc(void)
 {
-	divas_proc_entry = create_proc_entry(divas_proc_name,
-					     S_IFREG | S_IRUGO,
-					     proc_net_eicon);
+	proc_create(divas_proc_name, S_IFREG | S_IRUGO, proc_net_eicon,
+		    &divas_fops);
 	if (!divas_proc_entry)
 		return (0);
 
-	divas_proc_entry->proc_fops = &divas_fops;
-	divas_proc_entry->owner = THIS_MODULE;
-
 	return (1);
 }
 
diff --git a/drivers/isdn/hardware/eicon/message.c b/drivers/isdn/hardware/eicon/message.c
index 1ff98e7eb79..599fed88222 100644
--- a/drivers/isdn/hardware/eicon/message.c
+++ b/drivers/isdn/hardware/eicon/message.c
@@ -742,7 +742,7 @@ static void start_internal_command (dword Id, PLCI   *plci, t_std_internal_comma
   else
   {
     i = 1;
-    while (plci->internal_command_queue[i] != 0)
+    while (plci->internal_command_queue[i] != NULL)
       i++;
     plci->internal_command_queue[i] = command_function;
   }
@@ -758,7 +758,7 @@ static void next_internal_command (dword Id, PLCI   *plci)
 
   plci->internal_command = 0;
   plci->internal_command_queue[0] = NULL;
-  while (plci->internal_command_queue[1] != 0)
+  while (plci->internal_command_queue[1] != NULL)
   {
     for (i = 0; i < MAX_INTERNAL_COMMAND_LEVELS - 1; i++)
       plci->internal_command_queue[i] = plci->internal_command_queue[i+1];
@@ -9119,7 +9119,7 @@ word AdvCodecSupport(DIVA_CAPI_ADAPTER   *a, PLCI   *plci, APPL   *appl, byte ho
         dbug(1,dprintf("AdvSigPlci=0x%x",a->AdvSignalPLCI));
         return 0x2001; /* codec in use by another application */
       }
-      if(plci!=0)
+      if(plci!=NULL)
       {
         a->AdvSignalPLCI = plci;
         plci->tel=ADV_VOICE;
@@ -9144,7 +9144,7 @@ word AdvCodecSupport(DIVA_CAPI_ADAPTER   *a, PLCI   *plci, APPL   *appl, byte ho
         }
                                                /* indicate D-ch connect if  */
       }                                        /* codec is connected OK     */
-      if(plci!=0)
+      if(plci!=NULL)
       {
         a->AdvSignalPLCI = plci;
         plci->tel=ADV_VOICE;
@@ -9170,7 +9170,7 @@ word AdvCodecSupport(DIVA_CAPI_ADAPTER   *a, PLCI   *plci, APPL   *appl, byte ho
   {
     if(hook_listen) return 0x300B;               /* Facility not supported */
                                                  /* no hook with SCOM      */
-    if(plci!=0) plci->tel = CODEC;
+    if(plci!=NULL) plci->tel = CODEC;
     dbug(1,dprintf("S/SCOM codec"));
     /* first time we use the scom-s codec we must shut down the internal   */
     /* handset application of the card. This can be done by an assign with */
@@ -14604,7 +14604,7 @@ static void channel_xmit_extended_xon (PLCI   * plci) {
   int max_ch = ARRAY_SIZE(a->ch_flow_control);
   int i, one_requested = 0;
 
-  if ((!plci) || (!plci->Id) || ((a = plci->adapter) == 0)) {
+  if ((!plci) || (!plci->Id) || ((a = plci->adapter) == NULL)) {
     return;
   }
 
diff --git a/drivers/isdn/hisax/asuscom.c b/drivers/isdn/hisax/asuscom.c
index b96f3184c2e..1f879b500d8 100644
--- a/drivers/isdn/hisax/asuscom.c
+++ b/drivers/isdn/hisax/asuscom.c
@@ -344,7 +344,7 @@ setup_asuscom(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/avm_pci.c b/drivers/isdn/hisax/avm_pci.c
index 0f1db1f669b..7cabc5a1949 100644
--- a/drivers/isdn/hisax/avm_pci.c
+++ b/drivers/isdn/hisax/avm_pci.c
@@ -797,7 +797,7 @@ static int __devinit avm_pnp_setup(struct IsdnCardState *cs)
 			err = pnp_activate_dev(pnp_avm_d);
 			if (err<0) {
 				printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-					__FUNCTION__, err);
+					__func__, err);
 				return(0);
 			}
 			cs->hw.avm.cfg_reg =
diff --git a/drivers/isdn/hisax/diva.c b/drivers/isdn/hisax/diva.c
index 2d670856d14..018bd293e58 100644
--- a/drivers/isdn/hisax/diva.c
+++ b/drivers/isdn/hisax/diva.c
@@ -1088,7 +1088,7 @@ static int __devinit setup_diva_isapnp(struct IsdnCard *card)
 				err = pnp_activate_dev(pnp_d);
 				if (err<0) {
 					printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-						__FUNCTION__, err);
+						__func__, err);
 					return(0);
 				}
 				card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/elsa.c b/drivers/isdn/hisax/elsa.c
index 2c3691fda30..aa29d1cf16a 100644
--- a/drivers/isdn/hisax/elsa.c
+++ b/drivers/isdn/hisax/elsa.c
@@ -937,7 +937,7 @@ setup_elsa_isapnp(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/hfc_sx.c b/drivers/isdn/hisax/hfc_sx.c
index f4a213877e3..d92e8d6c2ae 100644
--- a/drivers/isdn/hisax/hfc_sx.c
+++ b/drivers/isdn/hisax/hfc_sx.c
@@ -1417,7 +1417,7 @@ setup_hfcsx(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c
index 98b0149bca6..8df889b0c1a 100644
--- a/drivers/isdn/hisax/hfc_usb.c
+++ b/drivers/isdn/hisax/hfc_usb.c
@@ -905,7 +905,7 @@ rx_int_complete(struct urb *urb)
 	if (status) {
 		printk(KERN_INFO
 		       "HFC-S USB: %s error resubmitting URB fifo(%d)\n",
-		       __FUNCTION__, fifon);
+		       __func__, fifon);
 	}
 }
 
@@ -1543,14 +1543,14 @@ hfc_usb_disconnect(struct usb_interface *intf)
 				stop_isoc_chain(&context->fifos[i]);
 				DBG(HFCUSB_DBG_INIT,
 				    "HFC-S USB: %s stopping ISOC chain Fifo(%i)",
-				    __FUNCTION__, i);
+				    __func__, i);
 			}
 		} else {
 			if (context->fifos[i].active > 0) {
 				context->fifos[i].active = 0;
 				DBG(HFCUSB_DBG_INIT,
 				    "HFC-S USB: %s unlinking URB for Fifo(%i)",
-				    __FUNCTION__, i);
+				    __func__, i);
 			}
 			usb_kill_urb(context->fifos[i].urb);
 			usb_free_urb(context->fifos[i].urb);
diff --git a/drivers/isdn/hisax/hfcscard.c b/drivers/isdn/hisax/hfcscard.c
index 909d6709ec1..cf082665cc8 100644
--- a/drivers/isdn/hisax/hfcscard.c
+++ b/drivers/isdn/hisax/hfcscard.c
@@ -193,7 +193,7 @@ setup_hfcs(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/hisax_debug.h b/drivers/isdn/hisax/hisax_debug.h
index ceafecdb103..5ed3b1c4418 100644
--- a/drivers/isdn/hisax/hisax_debug.h
+++ b/drivers/isdn/hisax/hisax_debug.h
@@ -27,14 +27,14 @@
 
 #define DBG(level, format, arg...) do { \
 if (level & __debug_variable) \
-printk(KERN_DEBUG "%s: " format "\n" , __FUNCTION__ , ## arg); \
+printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
 } while (0)
 
 #define DBG_PACKET(level,data,count) \
-  if (level & __debug_variable) dump_packet(__FUNCTION__,data,count)
+  if (level & __debug_variable) dump_packet(__func__,data,count)
 
 #define DBG_SKB(level,skb) \
-  if ((level & __debug_variable) && skb) dump_packet(__FUNCTION__,skb->data,skb->len)
+  if ((level & __debug_variable) && skb) dump_packet(__func__,skb->data,skb->len)
 
 
 static void __attribute__((unused))
diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c
index 76043dedba5..c0b4db2f836 100644
--- a/drivers/isdn/hisax/hisax_fcpcipnp.c
+++ b/drivers/isdn/hisax/hisax_fcpcipnp.c
@@ -68,7 +68,7 @@ static struct pci_device_id fcpci_ids[] = {
 
 MODULE_DEVICE_TABLE(pci, fcpci_ids);
 
-#ifdef __ISAPNP__
+#ifdef CONFIG_PNP
 static struct pnp_device_id fcpnp_ids[] __devinitdata = {
 	{ 
 		.id		= "AVM0900",
@@ -914,7 +914,7 @@ static int __devinit fcpci_probe(struct pci_dev *pdev,
 	return retval;
 }
 
-#ifdef __ISAPNP__
+#ifdef CONFIG_PNP
 static int __devinit fcpnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 {
 	struct fritz_adapter *adapter;
@@ -935,7 +935,7 @@ static int __devinit fcpnp_probe(struct pnp_dev *pdev, const struct pnp_device_i
 	pnp_disable_dev(pdev);
 	retval = pnp_activate_dev(pdev);
 	if (retval < 0) {
-		printk(KERN_WARNING "%s: pnp_activate_dev(%s) ret(%d)\n", __FUNCTION__,
+		printk(KERN_WARNING "%s: pnp_activate_dev(%s) ret(%d)\n", __func__,
 			(char *)dev_id->driver_data, retval);
 		goto err_free;
 	}
@@ -974,6 +974,8 @@ static struct pnp_driver fcpnp_driver = {
 	.remove		= __devexit_p(fcpnp_remove),
 	.id_table	= fcpnp_ids,
 };
+#else
+static struct pnp_driver fcpnp_driver;
 #endif
 
 static void __devexit fcpci_remove(struct pci_dev *pdev)
@@ -1001,7 +1003,7 @@ static int __init hisax_fcpcipnp_init(void)
 	retval = pci_register_driver(&fcpci_driver);
 	if (retval)
 		return retval;
-#ifdef __ISAPNP__
+#ifdef CONFIG_PNP
 	retval = pnp_register_driver(&fcpnp_driver);
 	if (retval < 0) {
 		pci_unregister_driver(&fcpci_driver);
@@ -1013,7 +1015,7 @@ static int __init hisax_fcpcipnp_init(void)
 
 static void __exit hisax_fcpcipnp_exit(void)
 {
-#ifdef __ISAPNP__
+#ifdef CONFIG_PNP
 	pnp_unregister_driver(&fcpnp_driver);
 #endif
 	pci_unregister_driver(&fcpci_driver);
diff --git a/drivers/isdn/hisax/ix1_micro.c b/drivers/isdn/hisax/ix1_micro.c
index 2d18d4f1e57..a92bf0d2cab 100644
--- a/drivers/isdn/hisax/ix1_micro.c
+++ b/drivers/isdn/hisax/ix1_micro.c
@@ -252,7 +252,7 @@ setup_ix1micro(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/niccy.c b/drivers/isdn/hisax/niccy.c
index 421b8e6763d..ef00633e1d2 100644
--- a/drivers/isdn/hisax/niccy.c
+++ b/drivers/isdn/hisax/niccy.c
@@ -255,7 +255,7 @@ int __devinit setup_niccy(struct IsdnCard *card)
 			err = pnp_activate_dev(pnp_d);
 			if (err < 0) {
 				printk(KERN_WARNING "%s: pnp_activate_dev "
-					"ret(%d)\n", __FUNCTION__, err);
+					"ret(%d)\n", __func__, err);
 				return 0;
 			}
 			card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/sedlbauer.c b/drivers/isdn/hisax/sedlbauer.c
index 95425f3d222..a10dfa82c73 100644
--- a/drivers/isdn/hisax/sedlbauer.c
+++ b/drivers/isdn/hisax/sedlbauer.c
@@ -555,7 +555,7 @@ setup_sedlbauer_isapnp(struct IsdnCard *card, int *bytecnt)
 				err = pnp_activate_dev(pnp_d);
 				if (err<0) {
 					printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-						__FUNCTION__, err);
+						__func__, err);
 					return(0);
 				}
 				card->para[1] = pnp_port_start(pnp_d, 0);
diff --git a/drivers/isdn/hisax/st5481.h b/drivers/isdn/hisax/st5481.h
index 04416bad611..2044e7173ab 100644
--- a/drivers/isdn/hisax/st5481.h
+++ b/drivers/isdn/hisax/st5481.h
@@ -218,13 +218,13 @@ enum {
 #define L1_EVENT_COUNT (EV_TIMER3 + 1)
 
 #define ERR(format, arg...) \
-printk(KERN_ERR "%s:%s: " format "\n" , __FILE__,  __FUNCTION__ , ## arg)
+printk(KERN_ERR "%s:%s: " format "\n" , __FILE__,  __func__ , ## arg)
 
 #define WARN(format, arg...) \
-printk(KERN_WARNING "%s:%s: " format "\n" , __FILE__,  __FUNCTION__ , ## arg)
+printk(KERN_WARNING "%s:%s: " format "\n" , __FILE__,  __func__ , ## arg)
 
 #define INFO(format, arg...) \
-printk(KERN_INFO "%s:%s: " format "\n" , __FILE__,  __FUNCTION__ , ## arg)
+printk(KERN_INFO "%s:%s: " format "\n" , __FILE__,  __func__ , ## arg)
 
 #include "isdnhdlc.h"
 #include "fsm.h"
@@ -406,7 +406,7 @@ struct st5481_adapter {
 
 /*
  * Submit an URB with error reporting. This is a macro so
- * the __FUNCTION__ returns the caller function name.
+ * the __func__ returns the caller function name.
  */
 #define SUBMIT_URB(urb, mem_flags) \
 ({ \
@@ -470,7 +470,7 @@ extern int st5481_debug;
 #ifdef CONFIG_HISAX_DEBUG
 
 #define DBG_ISO_PACKET(level,urb) \
-  if (level & __debug_variable) dump_iso_packet(__FUNCTION__,urb)
+  if (level & __debug_variable) dump_iso_packet(__func__,urb)
 
 static void __attribute__((unused))
 dump_iso_packet(const char *name, struct urb *urb)
diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c
index 4ada66b8b67..427a8b0520f 100644
--- a/drivers/isdn/hisax/st5481_usb.c
+++ b/drivers/isdn/hisax/st5481_usb.c
@@ -342,7 +342,7 @@ void st5481_release_usb(struct st5481_adapter *adapter)
 	usb_kill_urb(intr->urb);
 	kfree(intr->urb->transfer_buffer);
 	usb_free_urb(intr->urb);
-	ctrl->urb = NULL;
+	intr->urb = NULL;
 }
 
 /*
diff --git a/drivers/isdn/hisax/teles3.c b/drivers/isdn/hisax/teles3.c
index 6a5e379e077..5dc9f1a4362 100644
--- a/drivers/isdn/hisax/teles3.c
+++ b/drivers/isdn/hisax/teles3.c
@@ -301,7 +301,7 @@ setup_teles3(struct IsdnCard *card)
 					err = pnp_activate_dev(pnp_d);
 					if (err<0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
-							__FUNCTION__, err);
+							__func__, err);
 						return(0);
 					}
 					card->para[3] = pnp_port_start(pnp_d, 2);
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 27d890b48f8..15906d005b0 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -370,6 +370,7 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
 /******************************************************/
 static const struct file_operations conf_fops =
 {
+	.owner		= THIS_MODULE,
 	.llseek         = no_llseek,
 	.read           = hysdn_conf_read,
 	.write          = hysdn_conf_write,
@@ -402,11 +403,10 @@ hysdn_procconf_init(void)
 	while (card) {
 
 		sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid);
-		if ((card->procconf = (void *) create_proc_entry(conf_name,
-					     S_IFREG | S_IRUGO | S_IWUSR,
-					    hysdn_proc_entry)) != NULL) {
-			((struct proc_dir_entry *) card->procconf)->proc_fops = &conf_fops;
-			((struct proc_dir_entry *) card->procconf)->owner = THIS_MODULE;
+		if ((card->procconf = (void *) proc_create(conf_name,
+						S_IFREG | S_IRUGO | S_IWUSR,
+						hysdn_proc_entry,
+						&conf_fops)) != NULL) {
 			hysdn_proclog_init(card);	/* init the log file entry */
 		}
 		card = card->next;	/* next entry */
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index 27b3991fb0e..8991d2c8ee4 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -380,6 +380,7 @@ hysdn_log_poll(struct file *file, poll_table * wait)
 /**************************************************/
 static const struct file_operations log_fops =
 {
+	.owner		= THIS_MODULE,
 	.llseek         = no_llseek,
 	.read           = hysdn_log_read,
 	.write          = hysdn_log_write,
@@ -402,10 +403,9 @@ hysdn_proclog_init(hysdn_card * card)
 
 	if ((pd = kzalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) {
 		sprintf(pd->log_name, "%s%d", PROC_LOG_BASENAME, card->myid);
-		if ((pd->log = create_proc_entry(pd->log_name, S_IFREG | S_IRUGO | S_IWUSR, hysdn_proc_entry)) != NULL) {
-		        pd->log->proc_fops = &log_fops; 
-		        pd->log->owner = THIS_MODULE;
-		}
+		pd->log = proc_create(pd->log_name,
+				S_IFREG | S_IRUGO | S_IWUSR, hysdn_proc_entry,
+				&log_fops);
 
 		init_waitqueue_head(&(pd->rd_queue));
 
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index d4ad6992f77..0f3c66de69b 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1924,7 +1924,7 @@ isdn_free_channel(int di, int ch, int usage)
 
 	if ((di < 0) || (ch < 0)) {
 		printk(KERN_WARNING "%s: called with invalid drv(%d) or channel(%d)\n",
-			__FUNCTION__, di, ch);
+			__func__, di, ch);
 		return;
 	}
 	for (i = 0; i < ISDN_MAX_CHANNELS; i++)
diff --git a/drivers/isdn/i4l/isdn_net.h b/drivers/isdn/i4l/isdn_net.h
index bc2f0dd962e..be4949715d5 100644
--- a/drivers/isdn/i4l/isdn_net.h
+++ b/drivers/isdn/i4l/isdn_net.h
@@ -108,7 +108,7 @@ static __inline__ void isdn_net_add_to_bundle(isdn_net_dev *nd, isdn_net_local *
 
 	lp = nd->queue;
 //	printk(KERN_DEBUG "%s: lp:%s(%p) nlp:%s(%p) last(%p)\n",
-//		__FUNCTION__, lp->name, lp, nlp->name, nlp, lp->last);
+//		__func__, lp->name, lp, nlp->name, nlp, lp->last);
 	nlp->last = lp->last;
 	lp->last->next = nlp;
 	lp->last = nlp;
@@ -129,7 +129,7 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
 		master_lp = (isdn_net_local *) lp->master->priv;
 
 //	printk(KERN_DEBUG "%s: lp:%s(%p) mlp:%s(%p) last(%p) next(%p) mndq(%p)\n",
-//		__FUNCTION__, lp->name, lp, master_lp->name, master_lp, lp->last, lp->next, master_lp->netdev->queue);
+//		__func__, lp->name, lp, master_lp->name, master_lp, lp->last, lp->next, master_lp->netdev->queue);
 	spin_lock_irqsave(&master_lp->netdev->queue_lock, flags);
 	lp->last->next = lp->next;
 	lp->next->last = lp->last;
@@ -141,7 +141,7 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
 	}
 	lp->next = lp->last = lp;	/* (re)set own pointers */
 //	printk(KERN_DEBUG "%s: mndq(%p)\n",
-//		__FUNCTION__, master_lp->netdev->queue);
+//		__func__, master_lp->netdev->queue);
 	spin_unlock_irqrestore(&master_lp->netdev->queue_lock, flags);
 }
 
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 9f5fe372f83..127cfdad68e 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -110,7 +110,7 @@ isdn_ppp_free(isdn_net_local * lp)
 
 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: ppp_slot(%d) out of range\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return 0;
 	}
 
@@ -127,7 +127,7 @@ isdn_ppp_free(isdn_net_local * lp)
 #endif /* CONFIG_ISDN_MPP */
 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: ppp_slot(%d) now invalid\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return 0;
 	}
 	is = ippp_table[lp->ppp_slot];
@@ -226,7 +226,7 @@ isdn_ppp_wakeup_daemon(isdn_net_local * lp)
 {
 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: ppp_slot(%d) out of range\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return;
 	}
 	ippp_table[lp->ppp_slot]->state = IPPP_OPEN | IPPP_CONNECT | IPPP_NOBLOCK;
@@ -245,7 +245,7 @@ isdn_ppp_closewait(int slot)
 
 	if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: slot(%d) out of range\n",
-			__FUNCTION__, slot);
+			__func__, slot);
 		return 0;
 	}
 	is = ippp_table[slot];
@@ -343,7 +343,7 @@ isdn_ppp_release(int min, struct file *file)
 	is = file->private_data;
 
 	if (!is) {
-		printk(KERN_ERR "%s: no file->private_data\n", __FUNCTION__);
+		printk(KERN_ERR "%s: no file->private_data\n", __func__);
 		return;
 	}
 	if (is->debug & 0x1)
@@ -353,7 +353,7 @@ isdn_ppp_release(int min, struct file *file)
 		isdn_net_dev *p = is->lp->netdev;
 
 		if (!p) {
-			printk(KERN_ERR "%s: no lp->netdev\n", __FUNCTION__);
+			printk(KERN_ERR "%s: no lp->netdev\n", __func__);
 			return;
 		}
 		is->state &= ~IPPP_CONNECT;	/* -> effect: no call of wakeup */
@@ -1080,7 +1080,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 				printk(KERN_DEBUG "isdn_ppp: VJC_UNCOMP\n");
 			if (net_dev->local->ppp_slot < 0) {
 				printk(KERN_ERR "%s: net_dev->local->ppp_slot(%d) out of range\n",
-					__FUNCTION__, net_dev->local->ppp_slot);
+					__func__, net_dev->local->ppp_slot);
 				goto drop_packet;
 			}
 			if (slhc_remember(ippp_table[net_dev->local->ppp_slot]->slcomp, skb->data, skb->len) <= 0) {
@@ -1107,7 +1107,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 							  skb_old->len);
 				if (net_dev->local->ppp_slot < 0) {
 					printk(KERN_ERR "%s: net_dev->local->ppp_slot(%d) out of range\n",
-						__FUNCTION__, net_dev->local->ppp_slot);
+						__func__, net_dev->local->ppp_slot);
 					goto drop_packet;
 				}
 				pkt_len = slhc_uncompress(ippp_table[net_dev->local->ppp_slot]->slcomp,
@@ -1553,7 +1553,7 @@ static int isdn_ppp_mp_init( isdn_net_local * lp, ippp_bundle * add_to )
 
 	if (lp->ppp_slot < 0) {
 		printk(KERN_ERR "%s: lp->ppp_slot(%d) out of range\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return(-EINVAL);
 	}
 
@@ -1604,7 +1604,7 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
 	slot = lp->ppp_slot;
 	if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: lp->ppp_slot(%d)\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		stats->frame_drops++;
 		dev_kfree_skb(skb);
 		spin_unlock_irqrestore(&mp->lock, flags);
@@ -1641,7 +1641,7 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
 		slot = lpq->ppp_slot;
 		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 			printk(KERN_ERR "%s: lpq->ppp_slot(%d)\n",
-				__FUNCTION__, lpq->ppp_slot);
+				__func__, lpq->ppp_slot);
 		} else {
 			u32 lls = ippp_table[slot]->last_link_seqno;
 			if (MP_LT(lls, minseq))
@@ -1875,7 +1875,7 @@ void isdn_ppp_mp_reassembly( isdn_net_dev * net_dev, isdn_net_local * lp,
 
 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: lp->ppp_slot(%d) out of range\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return;
 	}
 	if( MP_FLAGS(from) == (MP_BEGIN_FRAG | MP_END_FRAG) ) {
@@ -2655,7 +2655,7 @@ static void isdn_ppp_receive_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,
 		lp->ppp_slot);
 	if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: lp->ppp_slot(%d) out of range\n",
-			__FUNCTION__, lp->ppp_slot);
+			__func__, lp->ppp_slot);
 		return;
 	}
 	is = ippp_table[lp->ppp_slot];
@@ -2665,7 +2665,7 @@ static void isdn_ppp_receive_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,
 		int slot = ((isdn_net_local *) (lp->master->priv))->ppp_slot;
 		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 			printk(KERN_ERR "%s: slot(%d) out of range\n",
-				__FUNCTION__, slot);
+				__func__, slot);
 			return;
 		}	
 		mis = ippp_table[slot];
@@ -2829,7 +2829,7 @@ static void isdn_ppp_send_ccp(isdn_net_dev *net_dev, isdn_net_local *lp, struct
 		return;
 	if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 		printk(KERN_ERR "%s: lp->ppp_slot(%d) out of range\n",
-			__FUNCTION__, slot);
+			__func__, slot);
 		return;
 	}	
 	is = ippp_table[slot];
@@ -2852,7 +2852,7 @@ static void isdn_ppp_send_ccp(isdn_net_dev *net_dev, isdn_net_local *lp, struct
 		slot = ((isdn_net_local *) (lp->master->priv))->ppp_slot;
 		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 			printk(KERN_ERR "%s: slot(%d) out of range\n",
-				__FUNCTION__, slot);
+				__func__, slot);
 			return;
 		}	
 		mis = ippp_table[slot];
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 133eb18e65c..1a2222cbb80 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1347,17 +1347,19 @@ isdn_tty_tiocmget(struct tty_struct *tty, struct file *file)
 	modem_info *info = (modem_info *) tty->driver_data;
 	u_char control, status;
 
-	if (isdn_tty_paranoia_check(info, tty->name, __FUNCTION__))
+	if (isdn_tty_paranoia_check(info, tty->name, __func__))
 		return -ENODEV;
 	if (tty->flags & (1 << TTY_IO_ERROR))
 		return -EIO;
 
+	lock_kernel();
 #ifdef ISDN_DEBUG_MODEM_IOCTL
 	printk(KERN_DEBUG "ttyI%d ioctl TIOCMGET\n", info->line);
 #endif
 
 	control = info->mcr;
 	status = info->msr;
+	unlock_kernel();
 	return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0)
 	    | ((control & UART_MCR_DTR) ? TIOCM_DTR : 0)
 	    | ((status & UART_MSR_DCD) ? TIOCM_CAR : 0)
@@ -1372,7 +1374,7 @@ isdn_tty_tiocmset(struct tty_struct *tty, struct file *file,
 {
 	modem_info *info = (modem_info *) tty->driver_data;
 
-	if (isdn_tty_paranoia_check(info, tty->name, __FUNCTION__))
+	if (isdn_tty_paranoia_check(info, tty->name, __func__))
 		return -ENODEV;
 	if (tty->flags & (1 << TTY_IO_ERROR))
 		return -EIO;
@@ -1381,6 +1383,7 @@ isdn_tty_tiocmset(struct tty_struct *tty, struct file *file,
 	printk(KERN_DEBUG "ttyI%d ioctl TIOCMxxx: %x %x\n", info->line, set, clear);
 #endif
 
+	lock_kernel();
 	if (set & TIOCM_RTS)
 		info->mcr |= UART_MCR_RTS;
 	if (set & TIOCM_DTR) {
@@ -1402,6 +1405,7 @@ isdn_tty_tiocmset(struct tty_struct *tty, struct file *file,
 			isdn_tty_modem_hup(info, 1);
 		}
 	}
+	unlock_kernel();
 	return 0;
 }
 
@@ -1435,21 +1439,6 @@ isdn_tty_ioctl(struct tty_struct *tty, struct file *file,
 				return retval;
 			tty_wait_until_sent(tty, 0);
 			return 0;
-		case TIOCGSOFTCAR:
-#ifdef ISDN_DEBUG_MODEM_IOCTL
-			printk(KERN_DEBUG "ttyI%d ioctl TIOCGSOFTCAR\n", info->line);
-#endif
-			return put_user(C_CLOCAL(tty) ? 1 : 0, (ulong __user *) arg);
-		case TIOCSSOFTCAR:
-#ifdef ISDN_DEBUG_MODEM_IOCTL
-			printk(KERN_DEBUG "ttyI%d ioctl TIOCSSOFTCAR\n", info->line);
-#endif
-			if (get_user(arg, (ulong __user *) arg))
-				return -EFAULT;
-			tty->termios->c_cflag =
-			    ((tty->termios->c_cflag & ~CLOCAL) |
-			     (arg ? CLOCAL : 0));
-			return 0;
 		case TIOCSERGETLSR:	/* Get line status register */
 #ifdef ISDN_DEBUG_MODEM_IOCTL
 			printk(KERN_DEBUG "ttyI%d ioctl TIOCSERGETLSR\n", info->line);
@@ -1472,13 +1461,14 @@ isdn_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
 	if (!old_termios)
 		isdn_tty_change_speed(info);
 	else {
-		if (tty->termios->c_cflag == old_termios->c_cflag)
+		if (tty->termios->c_cflag == old_termios->c_cflag &&
+		    tty->termios->c_ispeed == old_termios->c_ispeed &&
+		    tty->termios->c_ospeed == old_termios->c_ospeed)
 			return;
 		isdn_tty_change_speed(info);
 		if ((old_termios->c_cflag & CRTSCTS) &&
-		    !(tty->termios->c_cflag & CRTSCTS)) {
+		    !(tty->termios->c_cflag & CRTSCTS))
 			tty->hw_stopped = 0;
-		}
 	}
 }
 
@@ -1608,7 +1598,7 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
 	if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_open"))
 		return -ENODEV;
 	if (!try_module_get(info->owner)) {
-		printk(KERN_WARNING "%s: cannot reserve module\n", __FUNCTION__);
+		printk(KERN_WARNING "%s: cannot reserve module\n", __func__);
 		return -ENODEV;
 	}
 #ifdef ISDN_DEBUG_MODEM_OPEN
@@ -1718,9 +1708,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 	}
 	dev->modempoll--;
 	isdn_tty_shutdown(info);
-	
-	if (tty->driver->flush_buffer)
-		tty->driver->flush_buffer(tty);
+	isdn_tty_flush_buffer(tty);
 	tty_ldisc_flush(tty);
 	info->tty = NULL;
 	info->ncarrier = 0;