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Commit 615e4a71 authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
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[PATCH] Char: stallion, remove unneeded casts 



casts of NULL are unnecessary. And so casts to (void *) are.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a0564e14

drivers/char/stallion.c

+136 −136
Original line number Diff line number Diff line
@@ -187,32 +187,32 @@ static stlbrd_t *stl_brds[STL_MAXBRDS]; 
 *	referencing boards when printing trace and stuff.

 */

static char	*stl_brdnames[] = {

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	NULL,

	"EasyIO",

	"EC8/32-AT",

	"EC8/32-MC",

	(char *) NULL,

	(char *) NULL,

	(char *) NULL,

	NULL,

	NULL,

	NULL,

	"EC8/32-PCI",

	"EC8/64-PCI",

	"EasyIO-PCI",
@@ -761,20 +761,20 @@ static void __exit stallion_module_exit(void) 
	class_destroy(stallion_class);



	for (i = 0; (i < stl_nrbrds); i++) {

		if ((brdp = stl_brds[i]) == (stlbrd_t *) NULL)

		if ((brdp = stl_brds[i]) == NULL)

			continue;



		free_irq(brdp->irq, brdp);



		for (j = 0; (j < STL_MAXPANELS); j++) {

			panelp = brdp->panels[j];

			if (panelp == (stlpanel_t *) NULL)

			if (panelp == NULL)

				continue;

			for (k = 0; (k < STL_PORTSPERPANEL); k++) {

				portp = panelp->ports[k];

				if (portp == (stlport_t *) NULL)

				if (portp == NULL)

					continue;

				if (portp->tty != (struct tty_struct *) NULL)

				if (portp->tty != NULL)

					stl_hangup(portp->tty);

				kfree(portp->tx.buf);

				kfree(portp);
@@ -787,7 +787,7 @@ static void __exit stallion_module_exit(void) 
			release_region(brdp->ioaddr2, brdp->iosize2);



		kfree(brdp);

		stl_brds[i] = (stlbrd_t *) NULL;

		stl_brds[i] = NULL;

	}

}
@@ -812,7 +812,7 @@ static void stl_argbrds(void) 
		memset(&conf, 0, sizeof(conf));

		if (stl_parsebrd(&conf, stl_brdsp[i]) == 0)

			continue;

		if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL)

		if ((brdp = stl_allocbrd()) == NULL)

			continue;

		stl_nrbrds = i + 1;

		brdp->brdnr = i;
@@ -874,7 +874,7 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) 


	pr_debug("stl_parsebrd(confp=%p,argp=%p)\n", confp, argp);



	if ((argp[0] == (char *) NULL) || (*argp[0] == 0))

	if ((argp[0] == NULL) || (*argp[0] == 0))

		return 0;



	for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++)
@@ -892,15 +892,15 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) 
	confp->brdtype = stl_brdstr[i].type;



	i = 1;

	if ((argp[i] != (char *) NULL) && (*argp[i] != 0))

	if ((argp[i] != NULL) && (*argp[i] != 0))

		confp->ioaddr1 = stl_atol(argp[i]);

	i++;

	if (confp->brdtype == BRD_ECH) {

		if ((argp[i] != (char *) NULL) && (*argp[i] != 0))

		if ((argp[i] != NULL) && (*argp[i] != 0))

			confp->ioaddr2 = stl_atol(argp[i]);

		i++;

	}

	if ((argp[i] != (char *) NULL) && (*argp[i] != 0))

	if ((argp[i] != NULL) && (*argp[i] != 0))

		confp->irq = stl_atol(argp[i]);

	return 1;

}
@@ -942,11 +942,11 @@ static int stl_open(struct tty_struct *tty, struct file *filp) 
	if (brdnr >= stl_nrbrds)

		return -ENODEV;

	brdp = stl_brds[brdnr];

	if (brdp == (stlbrd_t *) NULL)

	if (brdp == NULL)

		return -ENODEV;

	minordev = MINOR2PORT(minordev);

	for (portnr = -1, panelnr = 0; (panelnr < STL_MAXPANELS); panelnr++) {

		if (brdp->panels[panelnr] == (stlpanel_t *) NULL)

		if (brdp->panels[panelnr] == NULL)

			break;

		if (minordev < brdp->panels[panelnr]->nrports) {

			portnr = minordev;
@@ -958,7 +958,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) 
		return -ENODEV;



	portp = brdp->panels[panelnr]->ports[portnr];

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return -ENODEV;



/*
@@ -1080,7 +1080,7 @@ static void stl_close(struct tty_struct *tty, struct file *filp) 
	pr_debug("stl_close(tty=%p,filp=%p)\n", tty, filp);



	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	spin_lock_irqsave(&stallion_lock, flags);
@@ -1123,17 +1123,17 @@ static void stl_close(struct tty_struct *tty, struct file *filp) 
	stl_enablerxtx(portp, 0, 0);

	stl_flushbuffer(tty);

	portp->istate = 0;

	if (portp->tx.buf != (char *) NULL) {

	if (portp->tx.buf != NULL) {

		kfree(portp->tx.buf);

		portp->tx.buf = (char *) NULL;

		portp->tx.head = (char *) NULL;

		portp->tx.tail = (char *) NULL;

		portp->tx.buf = NULL;

		portp->tx.head = NULL;

		portp->tx.tail = NULL;

	}

	set_bit(TTY_IO_ERROR, &tty->flags);

	tty_ldisc_flush(tty);



	tty->closing = 0;

	portp->tty = (struct tty_struct *) NULL;

	portp->tty = NULL;



	if (portp->openwaitcnt) {

		if (portp->close_delay)
@@ -1162,9 +1162,9 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count 
	pr_debug("stl_write(tty=%p,buf=%p,count=%d)\n", tty, buf, count);



	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return 0;

	if (portp->tx.buf == (char *) NULL)

	if (portp->tx.buf == NULL)

		return 0;



/*
@@ -1217,12 +1217,12 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch) 


	pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	if (portp->tx.buf == (char *) NULL)

	if (portp->tx.buf == NULL)

		return;



	head = portp->tx.head;
@@ -1253,12 +1253,12 @@ static void stl_flushchars(struct tty_struct *tty) 


	pr_debug("stl_flushchars(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	if (portp->tx.buf == (char *) NULL)

	if (portp->tx.buf == NULL)

		return;



	stl_startrxtx(portp, -1, 1);
@@ -1273,12 +1273,12 @@ static int stl_writeroom(struct tty_struct *tty) 


	pr_debug("stl_writeroom(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return 0;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return 0;

	if (portp->tx.buf == (char *) NULL)

	if (portp->tx.buf == NULL)

		return 0;



	head = portp->tx.head;
@@ -1305,12 +1305,12 @@ static int stl_charsinbuffer(struct tty_struct *tty) 


	pr_debug("stl_charsinbuffer(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return 0;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return 0;

	if (portp->tx.buf == (char *) NULL)

	if (portp->tx.buf == NULL)

		return 0;



	head = portp->tx.head;
@@ -1352,7 +1352,7 @@ static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) 
	}



	brdp = stl_brds[portp->brdnr];

	if (brdp != (stlbrd_t *) NULL)

	if (brdp != NULL)

		sio.irq = brdp->irq;



	return copy_to_user(sp, &sio, sizeof(struct serial_struct)) ? -EFAULT : 0;
@@ -1398,10 +1398,10 @@ static int stl_tiocmget(struct tty_struct *tty, struct file *file) 
{

	stlport_t	*portp;



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return -ENODEV;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return -ENODEV;

	if (tty->flags & (1 << TTY_IO_ERROR))

		return -EIO;
@@ -1415,10 +1415,10 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, 
	stlport_t	*portp;

	int rts = -1, dtr = -1;



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return -ENODEV;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return -ENODEV;

	if (tty->flags & (1 << TTY_IO_ERROR))

		return -EIO;
@@ -1446,10 +1446,10 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd 
	pr_debug("stl_ioctl(tty=%p,file=%p,cmd=%x,arg=%lx)\n", tty, file, cmd,

			arg);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return -ENODEV;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return -ENODEV;



	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
@@ -1508,10 +1508,10 @@ static void stl_settermios(struct tty_struct *tty, struct termios *old) 


	pr_debug("stl_settermios(tty=%p,old=%p)\n", tty, old);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	tiosp = tty->termios;
@@ -1543,10 +1543,10 @@ static void stl_throttle(struct tty_struct *tty) 


	pr_debug("stl_throttle(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	stl_flowctrl(portp, 0);

}
@@ -1563,10 +1563,10 @@ static void stl_unthrottle(struct tty_struct *tty) 


	pr_debug("stl_unthrottle(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	stl_flowctrl(portp, 1);

}
@@ -1584,10 +1584,10 @@ static void stl_stop(struct tty_struct *tty) 


	pr_debug("stl_stop(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	stl_startrxtx(portp, -1, 0);

}
@@ -1604,10 +1604,10 @@ static void stl_start(struct tty_struct *tty) 


	pr_debug("stl_start(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	stl_startrxtx(portp, -1, 1);

}
@@ -1626,10 +1626,10 @@ static void stl_hangup(struct tty_struct *tty) 


	pr_debug("stl_hangup(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	portp->flags &= ~ASYNC_INITIALIZED;
@@ -1640,13 +1640,13 @@ static void stl_hangup(struct tty_struct *tty) 
	stl_flushbuffer(tty);

	portp->istate = 0;

	set_bit(TTY_IO_ERROR, &tty->flags);

	if (portp->tx.buf != (char *) NULL) {

	if (portp->tx.buf != NULL) {

		kfree(portp->tx.buf);

		portp->tx.buf = (char *) NULL;

		portp->tx.head = (char *) NULL;

		portp->tx.tail = (char *) NULL;

		portp->tx.buf = NULL;

		portp->tx.head = NULL;

		portp->tx.tail = NULL;

	}

	portp->tty = (struct tty_struct *) NULL;

	portp->tty = NULL;

	portp->flags &= ~ASYNC_NORMAL_ACTIVE;

	portp->refcount = 0;

	wake_up_interruptible(&portp->open_wait);
@@ -1660,10 +1660,10 @@ static void stl_flushbuffer(struct tty_struct *tty) 


	pr_debug("stl_flushbuffer(tty=%p)\n", tty);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	stl_flush(portp);
@@ -1678,10 +1678,10 @@ static void stl_breakctl(struct tty_struct *tty, int state) 


	pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	stl_sendbreak(portp, ((state == -1) ? 1 : 2));
@@ -1696,10 +1696,10 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) 


	pr_debug("stl_waituntilsent(tty=%p,timeout=%d)\n", tty, timeout);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	if (timeout == 0)
@@ -1723,10 +1723,10 @@ static void stl_sendxchar(struct tty_struct *tty, char ch) 


	pr_debug("stl_sendxchar(tty=%p,ch=%x)\n", tty, ch);



	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;

	portp = tty->driver_data;

	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	if (ch == STOP_CHAR(tty))
@@ -1822,7 +1822,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof 
 */

	for (brdnr = 0; (brdnr < stl_nrbrds); brdnr++) {

		brdp = stl_brds[brdnr];

		if (brdp == (stlbrd_t *) NULL)

		if (brdp == NULL)

			continue;

		if (brdp->state == 0)

			continue;
@@ -1836,7 +1836,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof 
		totalport = brdnr * STL_MAXPORTS;

		for (panelnr = 0; (panelnr < brdp->nrpanels); panelnr++) {

			panelp = brdp->panels[panelnr];

			if (panelp == (stlpanel_t *) NULL)

			if (panelp == NULL)

				continue;



			maxoff = curoff + (panelp->nrports * MAXLINE);
@@ -1849,7 +1849,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof 
			for (portnr = 0; (portnr < panelp->nrports); portnr++,

			    totalport++) {

				portp = panelp->ports[portnr];

				if (portp == (stlport_t *) NULL)

				if (portp == NULL)

					continue;

				if (off >= (curoff += MAXLINE))

					continue;
@@ -1876,7 +1876,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof 


static irqreturn_t stl_intr(int irq, void *dev_id)

{

	stlbrd_t	*brdp = (stlbrd_t *) dev_id;

	stlbrd_t *brdp = dev_id;



	pr_debug("stl_intr(brdp=%p,irq=%d)\n", brdp, irq);
@@ -2034,11 +2034,11 @@ static void stl_offintr(struct work_struct *work) 


	pr_debug("stl_offintr(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	tty = portp->tty;

	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;



	lock_kernel();
@@ -2227,10 +2227,10 @@ static inline int stl_initeio(stlbrd_t *brdp) 
	panelp->iobase = brdp->ioaddr1;

	panelp->hwid = status;

	if ((status & EIO_IDBITMASK) == EIO_MK3) {

		panelp->uartp = (void *) &stl_sc26198uart;

		panelp->uartp = &stl_sc26198uart;

		panelp->isr = stl_sc26198intr;

	} else {

		panelp->uartp = (void *) &stl_cd1400uart;

		panelp->uartp = &stl_cd1400uart;

		panelp->isr = stl_cd1400eiointr;

	}
@@ -2402,7 +2402,7 @@ static inline int stl_initech(stlbrd_t *brdp) 
		brdp->bnkstataddr[banknr++] = ioaddr + ECH_PNLSTATUS;



		if (status & ECH_PNLXPID) {

			panelp->uartp = (void *) &stl_sc26198uart;

			panelp->uartp = &stl_sc26198uart;

			panelp->isr = stl_sc26198intr;

			if (status & ECH_PNL16PORT) {

				panelp->nrports = 16;
@@ -2414,7 +2414,7 @@ static inline int stl_initech(stlbrd_t *brdp) 
				panelp->nrports = 8;

			}

		} else {

			panelp->uartp = (void *) &stl_cd1400uart;

			panelp->uartp = &stl_cd1400uart;

			panelp->isr = stl_cd1400echintr;

			if (status & ECH_PNL16PORT) {

				panelp->nrports = 16;
@@ -2498,7 +2498,7 @@ static int __init stl_brdinit(stlbrd_t *brdp) 
	}



	for (i = 0; (i < STL_MAXPANELS); i++)

		if (brdp->panels[i] != (stlpanel_t *) NULL)

		if (brdp->panels[i] != NULL)

			stl_initports(brdp, brdp->panels[i]);



	printk("STALLION: %s found, board=%d io=%x irq=%d "
@@ -2519,7 +2519,7 @@ static inline int stl_getbrdnr(void) 
	int	i;



	for (i = 0; (i < STL_MAXBRDS); i++) {

		if (stl_brds[i] == (stlbrd_t *) NULL) {

		if (stl_brds[i] == NULL) {

			if (i >= stl_nrbrds)

				stl_nrbrds = i + 1;

			return(i);
@@ -2547,7 +2547,7 @@ static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp) 


	if (pci_enable_device(devp))

		return(-EIO);

	if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL)

	if ((brdp = stl_allocbrd()) == NULL)

		return(-ENOMEM);

	if ((brdp->brdnr = stl_getbrdnr()) < 0) {

		printk("STALLION: too many boards found, "
@@ -2657,7 +2657,7 @@ static inline int stl_initbrds(void) 
	for (i = 0; (i < stl_nrbrds); i++) {

		confp = &stl_brdconf[i];

		stl_parsebrd(confp, stl_brdsp[i]);

		if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL)

		if ((brdp = stl_allocbrd()) == NULL)

			return(-ENOMEM);

		brdp->brdnr = i;

		brdp->brdtype = confp->brdtype;
@@ -2697,7 +2697,7 @@ static int stl_getbrdstats(combrd_t __user *bp) 
	if (stl_brdstats.brd >= STL_MAXBRDS)

		return(-ENODEV);

	brdp = stl_brds[stl_brdstats.brd];

	if (brdp == (stlbrd_t *) NULL)

	if (brdp == NULL)

		return(-ENODEV);



	memset(&stl_brdstats, 0, sizeof(combrd_t));
@@ -2732,17 +2732,17 @@ static stlport_t *stl_getport(int brdnr, int panelnr, int portnr) 
	stlpanel_t	*panelp;



	if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))

		return((stlport_t *) NULL);

		return(NULL);

	brdp = stl_brds[brdnr];

	if (brdp == (stlbrd_t *) NULL)

		return((stlport_t *) NULL);

	if (brdp == NULL)

		return(NULL);

	if ((panelnr < 0) || (panelnr >= brdp->nrpanels))

		return((stlport_t *) NULL);

		return(NULL);

	panelp = brdp->panels[panelnr];

	if (panelp == (stlpanel_t *) NULL)

		return((stlport_t *) NULL);

	if (panelp == NULL)

		return(NULL);

	if ((portnr < 0) || (portnr >= panelp->nrports))

		return((stlport_t *) NULL);

		return(NULL);

	return(panelp->ports[portnr]);

}
@@ -2764,7 +2764,7 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) 
			return -EFAULT;

		portp = stl_getport(stl_comstats.brd, stl_comstats.panel,

			stl_comstats.port);

		if (portp == (stlport_t *) NULL)

		if (portp == NULL)

			return(-ENODEV);

	}
@@ -2780,12 +2780,12 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) 
	portp->stats.rxbuffered = 0;



	spin_lock_irqsave(&stallion_lock, flags);

	if (portp->tty != (struct tty_struct *) NULL) {

	if (portp->tty != NULL) {

		if (portp->tty->driver_data == portp) {

			portp->stats.ttystate = portp->tty->flags;

			/* No longer available as a statistic */

			portp->stats.rxbuffered = 1; /*portp->tty->flip.count; */

			if (portp->tty->termios != (struct termios *) NULL) {

			if (portp->tty->termios != NULL) {

				portp->stats.cflags = portp->tty->termios->c_cflag;

				portp->stats.iflags = portp->tty->termios->c_iflag;

				portp->stats.oflags = portp->tty->termios->c_oflag;
@@ -2819,7 +2819,7 @@ static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp) 
			return -EFAULT;

		portp = stl_getport(stl_comstats.brd, stl_comstats.panel,

			stl_comstats.port);

		if (portp == (stlport_t *) NULL)

		if (portp == NULL)

			return(-ENODEV);

	}
@@ -3090,8 +3090,8 @@ static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *po 
	pr_debug("stl_cd1400portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp,

			panelp, portp);



	if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) ||

	    (portp == (stlport_t *) NULL))

	if ((brdp == NULL) || (panelp == NULL) ||

	    (portp == NULL))

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -3162,7 +3162,7 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) 
	sreroff = 0;



	brdp = stl_brds[portp->brdnr];

	if (brdp == (stlbrd_t *) NULL)

	if (brdp == NULL)

		return;



/*
@@ -3546,10 +3546,10 @@ static void stl_cd1400flowctrl(stlport_t *portp, int state) 


	pr_debug("stl_cd1400flowctrl(portp=%p,state=%x)\n", portp, state);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	tty = portp->tty;

	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -3608,10 +3608,10 @@ static void stl_cd1400sendflow(stlport_t *portp, int state) 


	pr_debug("stl_cd1400sendflow(portp=%p,state=%x)\n", portp, state);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	tty = portp->tty;

	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -3640,7 +3640,7 @@ static void stl_cd1400flush(stlport_t *portp) 


	pr_debug("stl_cd1400flush(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -3667,7 +3667,7 @@ static int stl_cd1400datastate(stlport_t *portp) 
{

	pr_debug("stl_cd1400datastate(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return 0;



	return test_bit(ASYI_TXBUSY, &portp->istate) ? 1 : 0;
@@ -4092,8 +4092,8 @@ static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *p 
	pr_debug("stl_sc26198portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp,

			panelp, portp);



	if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) ||

	    (portp == (stlport_t *) NULL))

	if ((brdp == NULL) || (panelp == NULL) ||

	    (portp == NULL))

		return;



	portp->ioaddr = panelp->iobase + ((portp->portnr < 8) ? 0 : 4);
@@ -4130,7 +4130,7 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) 
	imroff = 0;



	brdp = stl_brds[portp->brdnr];

	if (brdp == (stlbrd_t *) NULL)

	if (brdp == NULL)

		return;



/*
@@ -4482,10 +4482,10 @@ static void stl_sc26198flowctrl(stlport_t *portp, int state) 


	pr_debug("stl_sc26198flowctrl(portp=%p,state=%x)\n", portp, state);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	tty = portp->tty;

	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -4551,10 +4551,10 @@ static void stl_sc26198sendflow(stlport_t *portp, int state) 


	pr_debug("stl_sc26198sendflow(portp=%p,state=%x)\n", portp, state);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;

	tty = portp->tty;

	if (tty == (struct tty_struct *) NULL)

	if (tty == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -4588,7 +4588,7 @@ static void stl_sc26198flush(stlport_t *portp) 


	pr_debug("stl_sc26198flush(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	spin_lock_irqsave(&brd_lock, flags);
@@ -4617,7 +4617,7 @@ static int stl_sc26198datastate(stlport_t *portp) 


	pr_debug("stl_sc26198datastate(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return 0;

	if (test_bit(ASYI_TXBUSY, &portp->istate))

		return 1;
@@ -4644,7 +4644,7 @@ static void stl_sc26198wait(stlport_t *portp) 


	pr_debug("stl_sc26198wait(portp=%p)\n", portp);



	if (portp == (stlport_t *) NULL)

	if (portp == NULL)

		return;



	for (i = 0; (i < 20); i++)
@@ -4816,8 +4816,8 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) 
 *	flow control modes of the sc26198.

 */

	if (test_bit(ASYI_TXFLOWED, &portp->istate)) {

		if ((tty != (struct tty_struct *) NULL) &&

		    (tty->termios != (struct termios *) NULL) &&

		if ((tty != NULL) &&

		    (tty->termios != NULL) &&

		    (tty->termios->c_iflag & IXANY)) {

			stl_sc26198txunflow(portp, tty);

		}
@@ -4847,7 +4847,7 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch 
	if (status & SR_RXBREAK)

		portp->stats.rxbreaks++;



	if ((tty != (struct tty_struct *) NULL) &&

	if ((tty != NULL) &&

	    ((portp->rxignoremsk & status) == 0)) {

		if (portp->rxmarkmsk & status) {

			if (status & SR_RXBREAK) {