diff options
| -rw-r--r-- | drivers/char/stallion.c | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 604a2448632d..6a6e5124a5fa 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -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 @@ stl_readdone: 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) { |