diff options
-rw-r--r-- | drivers/char/istallion.c | 100 | ||||
-rw-r--r-- | include/linux/istallion.h | 24 |
2 files changed, 67 insertions, 57 deletions
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 75b1e0c..28e9230 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -110,7 +110,7 @@ struct stlconf { int irqtype; }; -static int stli_nrbrds; +static unsigned int stli_nrbrds; /* stli_lock must NOT be taken holding brd_lock */ static spinlock_t stli_lock; /* TTY logic lock */ @@ -186,8 +186,6 @@ static struct ktermios stli_deftermios = { static comstats_t stli_comstats; static combrd_t stli_brdstats; static struct asystats stli_cdkstats; -static struct stlibrd stli_dummybrd; -static struct stliport stli_dummyport; /*****************************************************************************/ @@ -682,7 +680,7 @@ static void stli_stalinit(struct stlibrd *brdp); static void __iomem *stli_stalgetmemptr(struct stlibrd *brdp, unsigned long offset, int line); static void stli_stalreset(struct stlibrd *brdp); -static struct stliport *stli_getport(int brdnr, int panelnr, int portnr); +static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, unsigned int portnr); static int stli_initecp(struct stlibrd *brdp); static int stli_initonb(struct stlibrd *brdp); @@ -755,6 +753,7 @@ static int __init istallion_module_init(void) static void __exit istallion_module_exit(void) { struct stlibrd *brdp; + unsigned int j; int i; printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle, @@ -777,8 +776,8 @@ static void __exit istallion_module_exit(void) return; } put_tty_driver(stli_serial); - for (i = 0; i < 4; i++) - class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, i)); + for (j = 0; j < 4; j++) + class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, j)); class_destroy(istallion_class); if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) printk("STALLION: failed to un-register serial memory device, " @@ -786,8 +785,8 @@ static void __exit istallion_module_exit(void) kfree(stli_txcookbuf); - for (i = 0; (i < stli_nrbrds); i++) { - if ((brdp = stli_brds[i]) == NULL) + for (j = 0; (j < stli_nrbrds); j++) { + if ((brdp = stli_brds[j]) == NULL) continue; stli_cleanup_ports(brdp); @@ -796,7 +795,7 @@ static void __exit istallion_module_exit(void) if (brdp->iosize > 0) release_region(brdp->iobase, brdp->iosize); kfree(brdp); - stli_brds[i] = NULL; + stli_brds[j] = NULL; } } @@ -811,8 +810,8 @@ module_exit(istallion_module_exit); static int stli_parsebrd(struct stlconf *confp, char **argp) { + unsigned int i; char *sp; - int i; if (argp[0] == NULL || *argp[0] == 0) return 0; @@ -843,8 +842,8 @@ static int stli_open(struct tty_struct *tty, struct file *filp) { struct stlibrd *brdp; struct stliport *portp; - unsigned int minordev; - int brdnr, portnr, rc; + unsigned int minordev, brdnr, portnr; + int rc; minordev = tty->index; brdnr = MINOR2BRD(minordev); @@ -856,7 +855,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) if ((brdp->state & BST_STARTED) == 0) return -ENODEV; portnr = MINOR2PORT(minordev); - if ((portnr < 0) || (portnr > brdp->nrports)) + if (portnr > brdp->nrports) return -ENODEV; portp = brdp->ports[portnr]; @@ -1232,7 +1231,7 @@ static int stli_setport(struct stliport *portp) return -ENODEV; if (portp->tty == NULL) return -ENODEV; - if (portp->brdnr < 0 && portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return -ENODEV; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1324,7 +1323,7 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1446,7 +1445,7 @@ static void stli_flushchars(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1524,7 +1523,7 @@ static int stli_writeroom(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1572,7 +1571,7 @@ static int stli_charsinbuffer(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1670,7 +1669,7 @@ static int stli_tiocmget(struct tty_struct *tty, struct file *file) if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1694,7 +1693,7 @@ static int stli_tiocmset(struct tty_struct *tty, struct file *file, if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1728,7 +1727,7 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm portp = tty->driver_data; if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1806,7 +1805,7 @@ static void stli_settermios(struct tty_struct *tty, struct ktermios *old) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1921,7 +1920,7 @@ static void stli_hangup(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1974,7 +1973,7 @@ static void stli_flushbuffer(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2011,7 +2010,7 @@ static void stli_breakctl(struct tty_struct *tty, int state) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2058,7 +2057,7 @@ static void stli_sendxchar(struct tty_struct *tty, char ch) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2151,7 +2150,7 @@ static int stli_readproc(char *page, char **start, off_t off, int count, int *eo { struct stlibrd *brdp; struct stliport *portp; - int brdnr, portnr, totalport; + unsigned int brdnr, portnr, totalport; int curoff, maxoff; char *pos; @@ -2603,7 +2602,7 @@ static void stli_poll(unsigned long arg) { cdkhdr_t __iomem *hdrp; struct stlibrd *brdp; - int brdnr; + unsigned int brdnr; stli_timerlist.expires = STLI_TIMEOUT; add_timer(&stli_timerlist); @@ -2787,7 +2786,7 @@ static long stli_mktiocm(unsigned long sigvalue) static int stli_initports(struct stlibrd *brdp) { struct stliport *portp; - int i, panelnr, panelport; + unsigned int i, panelnr, panelport; for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) { portp = kzalloc(sizeof(struct stliport), GFP_KERNEL); @@ -3570,8 +3569,9 @@ static int stli_startbrd(struct stlibrd *brdp) cdkmem_t __iomem *memp; cdkasy_t __iomem *ap; unsigned long flags; + unsigned int portnr, nrdevs, i; struct stliport *portp; - int portnr, nrdevs, i, rc = 0; + int rc = 0; u32 memoff; spin_lock_irqsave(&brd_lock, flags); @@ -3807,7 +3807,7 @@ static int stli_eisamemprobe(struct stlibrd *brdp) static int stli_getbrdnr(void) { - int i; + unsigned int i; for (i = 0; i < STL_MAXBRDS; i++) { if (!stli_brds[i]) { @@ -3834,8 +3834,8 @@ static int stli_getbrdnr(void) static int stli_findeisabrds(void) { struct stlibrd *brdp; - unsigned int iobase, eid; - int i; + unsigned int iobase, eid, i; + int brdnr; /* * Firstly check if this is an EISA system. If this is not an EISA system then @@ -3874,8 +3874,10 @@ static int stli_findeisabrds(void) */ if ((brdp = stli_allocbrd()) == NULL) return -ENOMEM; - if ((brdp->brdnr = stli_getbrdnr()) < 0) + brdnr = stli_getbrdnr(); + if (brdnr < 0) return -ENOMEM; + brdp->brdnr = (unsigned int)brdnr; eid = inb(iobase + 0xc82); if (eid == ECP_EISAID) brdp->brdtype = BRD_ECPE; @@ -3911,7 +3913,7 @@ static int __devinit stli_pciprobe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct stlibrd *brdp; - int retval = -EIO; + int brdnr, retval = -EIO; retval = pci_enable_device(pdev); if (retval) @@ -3921,12 +3923,14 @@ static int __devinit stli_pciprobe(struct pci_dev *pdev, retval = -ENOMEM; goto err; } - if ((brdp->brdnr = stli_getbrdnr()) < 0) { /* TODO: locking */ + brdnr = stli_getbrdnr(); + if (brdnr < 0) { /* TODO: locking */ printk(KERN_INFO "STALLION: too many boards found, " "maximum supported %d\n", STL_MAXBRDS); retval = -EIO; goto err_fr; } + brdp->brdnr = (unsigned int)brdnr; brdp->brdtype = BRD_ECPPCI; /* * We have all resources from the board, so lets setup the actual @@ -3998,7 +4002,8 @@ static int stli_initbrds(void) { struct stlibrd *brdp, *nxtbrdp; struct stlconf conf; - int i, j, retval; + unsigned int i, j; + int retval; for (stli_nrbrds = 0; stli_nrbrds < ARRAY_SIZE(stli_brdsp); stli_nrbrds++) { @@ -4074,7 +4079,8 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof unsigned long flags; void __iomem *memptr; struct stlibrd *brdp; - int brdnr, size, n; + unsigned int brdnr; + int size, n; void *p; loff_t off = *offp; @@ -4138,7 +4144,8 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou void __iomem *memptr; struct stlibrd *brdp; char __user *chbuf; - int brdnr, size, n; + unsigned int brdnr; + int size, n; void *p; loff_t off = *offp; @@ -4198,7 +4205,7 @@ out: static int stli_getbrdstats(combrd_t __user *bp) { struct stlibrd *brdp; - int i; + unsigned int i; if (copy_from_user(&stli_brdstats, bp, sizeof(combrd_t))) return -EFAULT; @@ -4234,19 +4241,20 @@ static int stli_getbrdstats(combrd_t __user *bp) * Resolve the referenced port number into a port struct pointer. */ -static struct stliport *stli_getport(int brdnr, int panelnr, int portnr) +static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, + unsigned int portnr) { struct stlibrd *brdp; - int i; + unsigned int i; - if (brdnr < 0 || brdnr >= STL_MAXBRDS) + if (brdnr >= STL_MAXBRDS) return NULL; brdp = stli_brds[brdnr]; if (brdp == NULL) return NULL; for (i = 0; (i < panelnr); i++) portnr += brdp->panels[i]; - if ((portnr < 0) || (portnr >= brdp->nrports)) + if (portnr >= brdp->nrports) return NULL; return brdp->ports[portnr]; } @@ -4405,6 +4413,7 @@ static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp) static int stli_getportstruct(struct stliport __user *arg) { + struct stliport stli_dummyport; struct stliport *portp; if (copy_from_user(&stli_dummyport, arg, sizeof(struct stliport))) @@ -4426,11 +4435,12 @@ static int stli_getportstruct(struct stliport __user *arg) static int stli_getbrdstruct(struct stlibrd __user *arg) { + struct stlibrd stli_dummybrd; struct stlibrd *brdp; if (copy_from_user(&stli_dummybrd, arg, sizeof(struct stlibrd))) return -EFAULT; - if ((stli_dummybrd.brdnr < 0) || (stli_dummybrd.brdnr >= STL_MAXBRDS)) + if (stli_dummybrd.brdnr >= STL_MAXBRDS) return -ENODEV; brdp = stli_brds[stli_dummybrd.brdnr]; if (!brdp) diff --git a/include/linux/istallion.h b/include/linux/istallion.h index af2c32d..106a5e8 100644 --- a/include/linux/istallion.h +++ b/include/linux/istallion.h @@ -51,11 +51,11 @@ */ struct stliport { unsigned long magic; - int portnr; - int panelnr; - int brdnr; + unsigned int portnr; + unsigned int panelnr; + unsigned int brdnr; unsigned long state; - int devnr; + unsigned int devnr; int flags; int baud_base; int custom_divisor; @@ -91,23 +91,23 @@ struct stliport { */ struct stlibrd { unsigned long magic; - int brdnr; - int brdtype; - int state; - int nrpanels; - int nrports; - int nrdevs; + unsigned int brdnr; + unsigned int brdtype; + unsigned int state; + unsigned int nrpanels; + unsigned int nrports; + unsigned int nrdevs; unsigned int iobase; int iosize; unsigned long memaddr; void __iomem *membase; - int memsize; + unsigned long memsize; int pagesize; int hostoffset; int slaveoffset; int bitsize; int enabval; - int panels[STL_MAXPANELS]; + unsigned int panels[STL_MAXPANELS]; int panelids[STL_MAXPANELS]; void (*init)(struct stlibrd *brdp); void (*enable)(struct stlibrd *brdp); |