[PATCH] Char: stallion, variables cleanup
- fix `gcc -W' un/signed warnings by converting some ints -> uints.
- move 3 global variables into functions, where are they used.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 2db2e9f..97c7dc9 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -63,7 +63,7 @@
#define BRD_EASYIOPCI 28
struct stlconf {
- int brdtype;
+ unsigned int brdtype;
int ioaddr1;
int ioaddr2;
unsigned long memaddr;
@@ -121,15 +121,6 @@
};
/*
- * Define global stats structures. Not used often, and can be
- * re-used for each stats call.
- */
-static comstats_t stl_comstats;
-static combrd_t stl_brdstats;
-static struct stlbrd stl_dummybrd;
-static struct stlport stl_dummyport;
-
-/*
* Define global place to put buffer overflow characters.
*/
static char stl_unwanted[SC26198_RXFIFOSIZE];
@@ -200,7 +191,7 @@
* load line. These allow for easy board definitions, and easy
* modification of the io, memory and irq resoucres.
*/
-static int stl_nargs = 0;
+static unsigned int stl_nargs;
static char *board0[4];
static char *board1[4];
static char *board2[4];
@@ -632,7 +623,7 @@
static int __init stl_parsebrd(struct stlconf *confp, char **argp)
{
char *sp;
- int i;
+ unsigned int i;
pr_debug("stl_parsebrd(confp=%p,argp=%p)\n", confp, argp);
@@ -694,8 +685,8 @@
{
struct stlport *portp;
struct stlbrd *brdp;
- unsigned int minordev;
- int brdnr, panelnr, portnr, rc;
+ unsigned int minordev, brdnr, panelnr;
+ int portnr, rc;
pr_debug("stl_open(tty=%p,filp=%p): device=%s\n", tty, filp, tty->name);
@@ -1556,8 +1547,8 @@
struct stlbrd *brdp;
struct stlpanel *panelp;
struct stlport *portp;
- int brdnr, panelnr, portnr, totalport;
- int curoff, maxoff;
+ unsigned int brdnr, panelnr, portnr;
+ int totalport, curoff, maxoff;
char *pos;
pr_debug("stl_readproc(page=%p,start=%p,off=%lx,count=%d,eof=%p,"
@@ -1675,8 +1666,7 @@
static int stl_echatintr(struct stlbrd *brdp)
{
struct stlpanel *panelp;
- unsigned int ioaddr;
- int bnknr;
+ unsigned int ioaddr, bnknr;
int handled = 0;
outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl);
@@ -1706,8 +1696,7 @@
static int stl_echmcaintr(struct stlbrd *brdp)
{
struct stlpanel *panelp;
- unsigned int ioaddr;
- int bnknr;
+ unsigned int ioaddr, bnknr;
int handled = 0;
while (inb(brdp->iostatus) & ECH_INTRPEND) {
@@ -1732,8 +1721,7 @@
static int stl_echpciintr(struct stlbrd *brdp)
{
struct stlpanel *panelp;
- unsigned int ioaddr;
- int bnknr, recheck;
+ unsigned int ioaddr, bnknr, recheck;
int handled = 0;
while (1) {
@@ -1763,8 +1751,7 @@
static int stl_echpci64intr(struct stlbrd *brdp)
{
struct stlpanel *panelp;
- unsigned int ioaddr;
- int bnknr;
+ unsigned int ioaddr, bnknr;
int handled = 0;
while (inb(brdp->ioctrl) & 0x1) {
@@ -1826,8 +1813,9 @@
static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp)
{
- struct stlport *portp;
- int chipmask, i;
+ struct stlport *portp;
+ unsigned int i;
+ int chipmask;
pr_debug("stl_initports(brdp=%p,panelp=%p)\n", brdp, panelp);
@@ -2052,8 +2040,8 @@
static int __devinit stl_initech(struct stlbrd *brdp)
{
struct stlpanel *panelp;
- unsigned int status, nxtid, ioaddr, conflict;
- int panelnr, banknr, i, retval;
+ unsigned int status, nxtid, ioaddr, conflict, panelnr, banknr, i;
+ int retval;
char *name;
pr_debug("stl_initech(brdp=%p)\n", brdp);
@@ -2337,7 +2325,7 @@
static int __devinit stl_getbrdnr(void)
{
- int i;
+ unsigned int i;
for (i = 0; i < STL_MAXBRDS; i++)
if (stl_brds[i] == NULL) {
@@ -2361,7 +2349,7 @@
{
struct stlbrd *brdp;
unsigned int brdtype = ent->driver_data;
- int retval = -ENODEV;
+ int brdnr, retval = -ENODEV;
if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE)
goto err;
@@ -2378,13 +2366,14 @@
goto err;
}
mutex_lock(&stl_brdslock);
- brdp->brdnr = stl_getbrdnr();
- if (brdp->brdnr < 0) {
+ brdnr = stl_getbrdnr();
+ if (brdnr < 0) {
dev_err(&pdev->dev, "too many boards found, "
"maximum supported %d\n", STL_MAXBRDS);
mutex_unlock(&stl_brdslock);
goto err_fr;
}
+ brdp->brdnr = (unsigned int)brdnr;
stl_brds[brdp->brdnr] = brdp;
mutex_unlock(&stl_brdslock);
@@ -2460,9 +2449,10 @@
static int stl_getbrdstats(combrd_t __user *bp)
{
+ combrd_t stl_brdstats;
struct stlbrd *brdp;
struct stlpanel *panelp;
- int i;
+ unsigned int i;
if (copy_from_user(&stl_brdstats, bp, sizeof(combrd_t)))
return -EFAULT;
@@ -2508,12 +2498,12 @@
brdp = stl_brds[brdnr];
if (brdp == NULL)
return NULL;
- if (panelnr < 0 || panelnr >= brdp->nrpanels)
+ if (panelnr < 0 || (unsigned int)panelnr >= brdp->nrpanels)
return NULL;
panelp = brdp->panels[panelnr];
if (panelp == NULL)
return NULL;
- if (portnr < 0 || portnr >= panelp->nrports)
+ if (portnr < 0 || (unsigned int)portnr >= panelp->nrports)
return NULL;
return panelp->ports[portnr];
}
@@ -2528,6 +2518,7 @@
static int stl_getportstats(struct stlport *portp, comstats_t __user *cp)
{
+ comstats_t stl_comstats;
unsigned char *head, *tail;
unsigned long flags;
@@ -2585,6 +2576,8 @@
static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp)
{
+ comstats_t stl_comstats;
+
if (!portp) {
if (copy_from_user(&stl_comstats, cp, sizeof(comstats_t)))
return -EFAULT;
@@ -2610,6 +2603,7 @@
static int stl_getportstruct(struct stlport __user *arg)
{
+ struct stlport stl_dummyport;
struct stlport *portp;
if (copy_from_user(&stl_dummyport, arg, sizeof(struct stlport)))
@@ -2629,11 +2623,12 @@
static int stl_getbrdstruct(struct stlbrd __user *arg)
{
+ struct stlbrd stl_dummybrd;
struct stlbrd *brdp;
if (copy_from_user(&stl_dummybrd, arg, sizeof(struct stlbrd)))
return -EFAULT;
- if ((stl_dummybrd.brdnr < 0) || (stl_dummybrd.brdnr >= STL_MAXBRDS))
+ if (stl_dummybrd.brdnr >= STL_MAXBRDS)
return -ENODEV;
brdp = stl_brds[stl_dummybrd.brdnr];
if (!brdp)