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Commit 0bc20408 authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds
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[PATCH] sparse: drivers/sbus annotation

parent 61e7f08f
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Showing with 85 additions and 83 deletions
drivers/sbus/char/bpp.c
View file @ 0bc20408
......@@ -482,7 +482,7 @@ static int bpp_release(struct inode *inode, struct file *f)
return 0;
}
static long read_nibble(unsigned minor, char *c, unsigned long cnt)
static long read_nibble(unsigned minor, char __user *c, unsigned long cnt)
{
unsigned long remaining = cnt;
long rc;
......@@ -535,7 +535,7 @@ static long read_nibble(unsigned minor, char *c, unsigned long cnt)
return cnt - remaining;
}
static long read_ecp(unsigned minor, char *c, unsigned long cnt)
static long read_ecp(unsigned minor, char __user *c, unsigned long cnt)
{
unsigned long remaining;
long rc;
......@@ -630,7 +630,7 @@ static long read_ecp(unsigned minor, char *c, unsigned long cnt)
return cnt - remaining;
}
static ssize_t bpp_read(struct file *f, char *c, size_t cnt, loff_t * ppos)
static ssize_t bpp_read(struct file *f, char __user *c, size_t cnt, loff_t * ppos)
{
long rc;
unsigned minor = iminor(f->f_dentry->d_inode);
......@@ -692,7 +692,7 @@ static ssize_t bpp_read(struct file *f, char *c, size_t cnt, loff_t * ppos)
* Compatibility mode handshaking is a matter of writing data,
* strobing it, and waiting for the printer to stop being busy.
*/
static long write_compat(unsigned minor, const char *c, unsigned long cnt)
static long write_compat(unsigned minor, const char __user *c, unsigned long cnt)
{
long rc;
unsigned short pins = get_pins(minor);
......@@ -730,7 +730,7 @@ static long write_compat(unsigned minor, const char *c, unsigned long cnt)
* Write data using ECP mode. Watch out that the port may be set up
* for reading. If so, turn the port around.
*/
static long write_ecp(unsigned minor, const char *c, unsigned long cnt)
static long write_ecp(unsigned minor, const char __user *c, unsigned long cnt)
{
unsigned short pins = get_pins(minor);
unsigned long remaining = cnt;
......@@ -783,7 +783,7 @@ static long write_ecp(unsigned minor, const char *c, unsigned long cnt)
* that. Otherwise, terminate and do my writing in compat mode. This
* is the safest course as any device can handle it.
*/
static ssize_t bpp_write(struct file *f, const char *c, size_t cnt, loff_t * ppos)
static ssize_t bpp_write(struct file *f, const char __user *c, size_t cnt, loff_t * ppos)
{
long errno = 0;
unsigned minor = iminor(f->f_dentry->d_inode);
......
drivers/sbus/char/cpwatchdog.c
View file @ 0bc20408
......@@ -337,6 +337,7 @@ static int wd_ioctl(struct inode *inode, struct file *file,
{
int setopt = 0;
struct wd_timer* pTimer = (struct wd_timer*)file->private_data;
void __user *argp = (void __user *)arg;
struct watchdog_info info = {
0,
0,
......@@ -351,22 +352,20 @@ static int wd_ioctl(struct inode *inode, struct file *file,
{
/* Generic Linux IOCTLs */
case WDIOC_GETSUPPORT:
if(copy_to_user((struct watchdog_info *)arg,
(struct watchdog_info *)&info,
sizeof(struct watchdog_info))) {
if(copy_to_user(argp, &info, sizeof(struct watchdog_info))) {
return(-EFAULT);
}
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
if (put_user(0, (int *) arg))
if (put_user(0, (int __user *)argp))
return -EFAULT;
break;
case WDIOC_KEEPALIVE:
wd_pingtimer(pTimer);
break;
case WDIOC_SETOPTIONS:
if(copy_from_user(&setopt, (void*) arg, sizeof(unsigned int))) {
if(copy_from_user(&setopt, argp, sizeof(unsigned int))) {
return -EFAULT;
}
if(setopt & WDIOS_DISABLECARD) {
......@@ -388,7 +387,7 @@ static int wd_ioctl(struct inode *inode, struct file *file,
/* Solaris-compatible IOCTLs */
case WIOCGSTAT:
setopt = wd_getstatus(pTimer);
if(copy_to_user((void*)arg, &setopt, sizeof(unsigned int))) {
if(copy_to_user(argp, &setopt, sizeof(unsigned int))) {
return(-EFAULT);
}
break;
......@@ -409,10 +408,10 @@ static int wd_ioctl(struct inode *inode, struct file *file,
return(0);
}
static ssize_t wd_write( struct file *file,
const char *buf,
size_t count,
loff_t *ppos)
static ssize_t wd_write(struct file *file,
const char __user *buf,
size_t count,
loff_t *ppos)
{
struct wd_timer* pTimer = (struct wd_timer*)file->private_data;
......@@ -430,7 +429,7 @@ static ssize_t wd_write( struct file *file,
return 0;
}
static ssize_t wd_read(struct file * file, char * buffer,
static ssize_t wd_read(struct file * file, char __user *buffer,
size_t count, loff_t *ppos)
{
#ifdef WD_DEBUG
......
drivers/sbus/char/display7seg.c
View file @ 0bc20408
......@@ -128,7 +128,7 @@ static int d7s_ioctl(struct inode *inode, struct file *f,
/* assign device register values
* we mask-out D7S_FLIP if in sol_compat mode
*/
if (get_user(ireg, (int *) arg))
if (get_user(ireg, (int __user *) arg))
return -EFAULT;
if (0 != sol_compat) {
(regs & D7S_FLIP) ?
......@@ -144,7 +144,7 @@ static int d7s_ioctl(struct inode *inode, struct file *f,
* This driver will not misinform you about the state
* of your hardware while in sol_compat mode
*/
if (put_user(regs, (int *) arg))
if (put_user(regs, (int __user *) arg))
return -EFAULT;
break;
......
drivers/sbus/char/envctrl.c
View file @ 0bc20408
......@@ -556,7 +556,7 @@ static unsigned char envctrl_i2c_voltage_status(struct i2c_child_t *pchild,
* Return: Number of read bytes. 0 for error.
*/
static ssize_t
envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
envctrl_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
struct i2c_child_t *pchild;
unsigned char data[10];
......@@ -574,7 +574,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
data[0] = (unsigned char)(warning_temperature);
ret = 1;
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -584,7 +584,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
data[0] = (unsigned char)(shutdown_temperature);
ret = 1;
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -592,7 +592,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
if (!(pchild = envctrl_get_i2c_child(ENVCTRL_MTHRBDTEMP_MON)))
return 0;
ret = envctrl_read_noncpu_info(pchild, ENVCTRL_MTHRBDTEMP_MON, data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -602,7 +602,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
ret = envctrl_read_cpu_info(read_cpu, pchild, ENVCTRL_CPUTEMP_MON, data);
/* Reset cpu to the default cpu0. */
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -612,7 +612,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
ret = envctrl_read_cpu_info(read_cpu, pchild, ENVCTRL_CPUVOLTAGE_MON, data);
/* Reset cpu to the default cpu0. */
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -620,7 +620,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
if (!(pchild = envctrl_get_i2c_child(ENVCTRL_SCSITEMP_MON)))
return 0;
ret = envctrl_read_noncpu_info(pchild, ENVCTRL_SCSITEMP_MON, data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -628,7 +628,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
if (!(pchild = envctrl_get_i2c_child(ENVCTRL_ETHERTEMP_MON)))
return 0;
ret = envctrl_read_noncpu_info(pchild, ENVCTRL_ETHERTEMP_MON, data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -637,7 +637,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
return 0;
data[0] = envctrl_i2c_read_8574(pchild->addr);
ret = envctrl_i2c_fan_status(pchild,data[0], data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -646,7 +646,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
return 0;
data[0] = envctrl_i2c_read_8574(pchild->addr);
ret = envctrl_i2c_globaladdr(pchild, data[0], data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -657,7 +657,7 @@ envctrl_read(struct file *file, char *buf, size_t count, loff_t *ppos)
return 0;
data[0] = envctrl_i2c_read_8574(pchild->addr);
ret = envctrl_i2c_voltage_status(pchild, data[0], data);
if (copy_to_user((unsigned char *)buf, data, ret))
if (copy_to_user(buf, data, ret))
ret = -EFAULT;
break;
......@@ -676,7 +676,7 @@ static int
envctrl_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
char *infobuf;
char __user *infobuf;
switch (cmd) {
case ENVCTRL_RD_WARNING_TEMPERATURE:
......@@ -695,7 +695,7 @@ envctrl_ioctl(struct inode *inode, struct file *file,
/* Check to see if application passes in any cpu number,
* the default is cpu0.
*/
infobuf = (char *) arg;
infobuf = (char __user *) arg;
if (infobuf == NULL) {
read_cpu = 0;
}else {
......
drivers/sbus/char/flash.c
View file @ 0bc20408
......@@ -105,7 +105,7 @@ flash_llseek(struct file *file, long long offset, int origin)
}
static ssize_t
flash_read(struct file * file, char * buf,
flash_read(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
unsigned long p = file->f_pos;
......
drivers/sbus/char/openprom.c
View file @ 0bc20408
......@@ -67,7 +67,7 @@ static int options_node = 0;
* structure will be placed in "*opp_p". Return value is the length
* of the user supplied buffer.
*/
static int copyin(struct openpromio *info, struct openpromio **opp_p)
static int copyin(struct openpromio __user *info, struct openpromio **opp_p)
{
unsigned int bufsize;
......@@ -98,7 +98,7 @@ static int copyin(struct openpromio *info, struct openpromio **opp_p)
return bufsize;
}
static int getstrings(struct openpromio *info, struct openpromio **opp_p)
static int getstrings(struct openpromio __user *info, struct openpromio **opp_p)
{
int n, bufsize;
char c;
......@@ -132,7 +132,7 @@ static int getstrings(struct openpromio *info, struct openpromio **opp_p)
/*
* Copy an openpromio structure in kernel space back to user space.
*/
static int copyout(void *info, struct openpromio *opp, int len)
static int copyout(void __user *info, struct openpromio *opp, int len)
{
if (copy_to_user(info, opp, len))
return -EFAULT;
......@@ -150,11 +150,12 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
struct openpromio *opp;
int bufsize, len, error = 0;
static int cnt;
void __user *argp = (void __user *)arg;
if (cmd == OPROMSETOPT)
bufsize = getstrings((void *)arg, &opp);
bufsize = getstrings(argp, &opp);
else
bufsize = copyin((void *)arg, &opp);
bufsize = copyin(argp, &opp);
if (bufsize < 0)
return bufsize;
......@@ -165,7 +166,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
len = prom_getproplen(node, opp->oprom_array);
if (len <= 0 || len > bufsize) {
error = copyout((void *)arg, opp, sizeof(int));
error = copyout(argp, opp, sizeof(int));
break;
}
......@@ -175,7 +176,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
opp->oprom_array[len] = '\0';
opp->oprom_size = len;
error = copyout((void *)arg, opp, sizeof(int) + bufsize);
error = copyout(argp, opp, sizeof(int) + bufsize);
break;
case OPROMNXTOPT:
......@@ -184,7 +185,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
len = strlen(buf);
if (len == 0 || len + 1 > bufsize) {
error = copyout((void *)arg, opp, sizeof(int));
error = copyout(argp, opp, sizeof(int));
break;
}
......@@ -192,7 +193,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
opp->oprom_array[len] = '\0';
opp->oprom_size = ++len;
error = copyout((void *)arg, opp, sizeof(int) + bufsize);
error = copyout(argp, opp, sizeof(int) + bufsize);
break;
case OPROMSETOPT:
......@@ -227,7 +228,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
*((int *)opp->oprom_array) = node;
opp->oprom_size = sizeof(int);
error = copyout((void *)arg, opp, bufsize + sizeof(int));
error = copyout(argp, opp, bufsize + sizeof(int));
break;
case OPROMPCI2NODE:
......@@ -246,7 +247,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
data->current_node = node;
*((int *)opp->oprom_array) = node;
opp->oprom_size = sizeof(int);
error = copyout((void *)arg, opp, bufsize + sizeof(int));
error = copyout(argp, opp, bufsize + sizeof(int));
}
#endif
}
......@@ -258,7 +259,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
*((int *)opp->oprom_array) = node;
opp->oprom_size = sizeof(int);
error = copyout((void *)arg, opp, bufsize + sizeof(int));
error = copyout(argp, opp, bufsize + sizeof(int));
break;
case OPROMGETBOOTARGS:
......@@ -274,7 +275,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
strcpy(opp->oprom_array, buf);
opp->oprom_size = len;
error = copyout((void *)arg, opp, bufsize + sizeof(int));
error = copyout(argp, opp, bufsize + sizeof(int));
break;
case OPROMU2P:
......@@ -317,7 +318,7 @@ static int goodnode(int n, DATA *data)
}
/* Copy in a whole string from userspace into kernelspace. */
static int copyin_string(char *user, size_t len, char **ptr)
static int copyin_string(char __user *user, size_t len, char **ptr)
{
char *tmp;
......@@ -347,6 +348,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
unsigned int cmd, unsigned long arg)
{
DATA *data = (DATA *) file->private_data;
void __user *argp = (void __user *)arg;
struct opiocdesc op;
int error, node, len;
char *str, *tmp;
......@@ -355,7 +357,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
switch (cmd) {
case OPIOCGET:
if (copy_from_user(&op, (void *)arg, sizeof(op)))
if (copy_from_user(&op, argp, sizeof(op)))
return -EFAULT;
if (!goodnode(op.op_nodeid,data))
......@@ -377,7 +379,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
if (len <= 0) {
kfree(str);
/* Verified by the above copy_from_user */
if (__copy_to_user((void *)arg, &op,
if (__copy_to_user(argp, &op,
sizeof(op)))
return -EFAULT;
return 0;
......@@ -393,7 +395,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
tmp[len] = '\0';
if (__copy_to_user((void *)arg, &op, sizeof(op)) != 0
if (__copy_to_user(argp, &op, sizeof(op)) != 0
|| copy_to_user(op.op_buf, tmp, len) != 0)
error = -EFAULT;
......@@ -403,7 +405,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
return error;
case OPIOCNEXTPROP:
if (copy_from_user(&op, (void *)arg, sizeof(op)))
if (copy_from_user(&op, argp, sizeof(op)))
return -EFAULT;
if (!goodnode(op.op_nodeid,data))
......@@ -425,7 +427,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
len = op.op_buflen = 0;
}
error = verify_area(VERIFY_WRITE, (void *)arg, sizeof(op));
error = verify_area(VERIFY_WRITE, argp, sizeof(op));
if (error) {
kfree(str);
return error;
......@@ -437,7 +439,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
return error;
}
error = __copy_to_user((void *)arg, &op, sizeof(op));
error = __copy_to_user(argp, &op, sizeof(op));
if (!error) error = __copy_to_user(op.op_buf, tmp, len);
kfree(str);
......@@ -445,7 +447,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
return error;
case OPIOCSET:
if (copy_from_user(&op, (void *)arg, sizeof(op)))
if (copy_from_user(&op, argp, sizeof(op)))
return -EFAULT;
if (!goodnode(op.op_nodeid,data))
......@@ -472,13 +474,13 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
return 0;
case OPIOCGETOPTNODE:
if (copy_to_user((void *)arg, &options_node, sizeof(int)))
if (copy_to_user(argp, &options_node, sizeof(int)))
return -EFAULT;
return 0;
case OPIOCGETNEXT:
case OPIOCGETCHILD:
if (copy_from_user(&node, (void *)arg, sizeof(int)))
if (copy_from_user(&node, argp, sizeof(int)))
return -EFAULT;
if (cmd == OPIOCGETNEXT)
......@@ -486,7 +488,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
else
node = __prom_getchild(node);
if (__copy_to_user((void *)arg, &node, sizeof(int)))
if (__copy_to_user(argp, &node, sizeof(int)))
return -EFAULT;
return 0;
......
drivers/sbus/char/riowatchdog.c
View file @ 0bc20408
......@@ -130,18 +130,19 @@ static int riowd_ioctl(struct inode *inode, struct file *filp,
static struct watchdog_info info = {
WDIOF_SETTIMEOUT, 0, "Natl. Semiconductor PC97317"
};
void __user *argp = (void __user *)arg;
unsigned int options;
int new_margin;
switch (cmd) {
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *) arg, &info, sizeof(info)))
if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
if (put_user(0, (int *) arg))
if (put_user(0, (int __user *)argp))
return -EFAULT;
break;
......@@ -150,7 +151,7 @@ static int riowd_ioctl(struct inode *inode, struct file *filp,
break;
case WDIOC_SETOPTIONS:
if (copy_from_user(&options, (void *) arg, sizeof(options)))
if (copy_from_user(&options, argp, sizeof(options)))
return -EFAULT;
if (options & WDIOS_DISABLECARD)
......@@ -163,7 +164,7 @@ static int riowd_ioctl(struct inode *inode, struct file *filp,
break;
case WDIOC_SETTIMEOUT:
if (get_user(new_margin, (int *)arg))
if (get_user(new_margin, (int __user *)argp))
return -EFAULT;
if ((new_margin < 60) || (new_margin > (255 * 60)))
return -EINVAL;
......@@ -172,7 +173,7 @@ static int riowd_ioctl(struct inode *inode, struct file *filp,
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(riowd_timeout * 60, (int *)arg);
return put_user(riowd_timeout * 60, (int __user *)argp);
default:
return -EINVAL;
......@@ -181,7 +182,7 @@ static int riowd_ioctl(struct inode *inode, struct file *filp,
return 0;
}
static ssize_t riowd_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
static ssize_t riowd_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
if (ppos != &file->f_pos)
return -ESPIPE;
......
drivers/sbus/char/rtc.c
View file @ 0bc20408
......@@ -85,6 +85,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
struct rtc_time rtc_tm;
void __user *argp = (void __user *)arg;
switch (cmd)
{
......@@ -92,7 +93,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
memset(&rtc_tm, 0, sizeof(struct rtc_time));
get_rtc_time(&rtc_tm);
if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time)))
if (copy_to_user(argp, &rtc_tm, sizeof(struct rtc_time)))
return -EFAULT;
return 0;
......@@ -102,7 +103,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
if (!capable(CAP_SYS_TIME))
return -EPERM;
if (copy_from_user(&rtc_tm, (struct rtc_time*)arg, sizeof(struct rtc_time)))
if (copy_from_user(&rtc_tm, argp, sizeof(struct rtc_time)))
return -EFAULT;
set_rtc_time(&rtc_tm);
......
drivers/sbus/char/vfc_dev.c
View file @ 0bc20408
......@@ -226,7 +226,7 @@ static int vfc_release(struct inode *inode,struct file *file)
return 0;
}
static int vfc_debug(struct vfc_dev *dev, int cmd, unsigned long arg)
static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
{
struct vfc_debug_inout inout;
unsigned char *buffer;
......@@ -236,15 +236,14 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, unsigned long arg)
switch(cmd) {
case VFC_I2C_SEND:
if(copy_from_user(&inout, (void *)arg, sizeof(inout)))
if(copy_from_user(&inout, argp, sizeof(inout)))
return -EFAULT;
buffer = kmalloc(inout.len*sizeof(char), GFP_KERNEL);
buffer = kmalloc(inout.len, GFP_KERNEL);
if (buffer == NULL)
return -ENOMEM;
if(copy_from_user(buffer, inout.buffer,
inout.len*sizeof(char))) {
if(copy_from_user(buffer, inout.buffer, inout.len)) {
kfree(buffer);
return -EFAULT;
}
......@@ -255,7 +254,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, unsigned long arg)
vfc_i2c_sendbuf(dev,inout.addr & 0xff,
buffer,inout.len);
if (copy_to_user((void *)arg,&inout,sizeof(inout))) {
if (copy_to_user(argp,&inout,sizeof(inout))) {
kfree(buffer);
return -EFAULT;
}
......@@ -263,14 +262,14 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, unsigned long arg)
break;
case VFC_I2C_RECV:
if (copy_from_user(&inout, (void *)arg, sizeof(inout)))
if (copy_from_user(&inout, argp, sizeof(inout)))
return -EFAULT;
buffer = kmalloc(inout.len, GFP_KERNEL);
if (buffer == NULL)
return -ENOMEM;
memset(buffer,0,inout.len*sizeof(char));
memset(buffer,0,inout.len);
vfc_lock_device(dev);
inout.ret=
vfc_i2c_recvbuf(dev,inout.addr & 0xff
......@@ -281,7 +280,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, unsigned long arg)
kfree(buffer);
return -EFAULT;
}
if (copy_to_user((void *)arg,&inout,sizeof(inout))) {
if (copy_to_user(argp,&inout,sizeof(inout))) {
kfree(buffer);
return -EFAULT;
}
......@@ -340,7 +339,7 @@ static int vfc_set_control_ioctl(struct inode *inode, struct file *file,
{
int setcmd, ret = 0;
if (copy_from_user(&setcmd,(void *)arg,sizeof(unsigned int)))
if (copy_from_user(&setcmd,(void __user *)arg,sizeof(unsigned int)))
return -EFAULT;
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCSCTRL) arg=0x%x\n",
......@@ -398,7 +397,7 @@ int vfc_port_change_ioctl(struct inode *inode, struct file *file,
int ret = 0;
int cmd;
if(copy_from_user(&cmd, (void *)arg, sizeof(unsigned int))) {
if(copy_from_user(&cmd, (void __user *)arg, sizeof(unsigned int))) {
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
"vfc_port_change_ioctl\n",
dev->instance));
......@@ -468,7 +467,7 @@ int vfc_set_video_ioctl(struct inode *inode, struct file *file,
int ret = 0;
int cmd;
if(copy_from_user(&cmd, (void *)arg, sizeof(unsigned int))) {
if(copy_from_user(&cmd, (void __user *)arg, sizeof(unsigned int))) {
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
"vfc_set_video_ioctl\n",
dev->instance));
......@@ -542,7 +541,7 @@ int vfc_get_video_ioctl(struct inode *inode, struct file *file,
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCGVID) returning status 0x%x; "
"buf[0]=%x\n", dev->instance, status, buf[0]));
if (copy_to_user((void *)arg,&status,sizeof(unsigned int))) {
if (copy_to_user((void __user *)arg,&status,sizeof(unsigned int))) {
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
"vfc_get_video_ioctl\n",
dev->instance));
......@@ -557,6 +556,7 @@ static int vfc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
int ret = 0;
unsigned int tmp;
struct vfc_dev *dev;
void __user *argp = (void __user *)arg;
dev = vfc_get_dev_ptr(iminor(inode));
if(dev == NULL)
......@@ -568,7 +568,7 @@ static int vfc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCGCTRL)\n", dev->instance));
#endif
tmp = sbus_readl(&dev->regs->control);
if(copy_to_user((void *)arg, &tmp, sizeof(unsigned int))) {
if(copy_to_user(argp, &tmp, sizeof(unsigned int))) {
ret = -EFAULT;
break;
}
......@@ -585,7 +585,7 @@ static int vfc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
break;
case VFCHUE:
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCHUE)\n", dev->instance));
if(copy_from_user(&tmp,(void *)arg,sizeof(unsigned int))) {
if(copy_from_user(&tmp,argp,sizeof(unsigned int))) {
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer "
"to IOCTL(VFCHUE)", dev->instance));
ret = -EFAULT;
......@@ -603,8 +603,7 @@ static int vfc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCRDINFO)\n", dev->instance));
break;
default:
ret = vfc_debug(vfc_get_dev_ptr(iminor(inode)),
cmd, arg);
ret = vfc_debug(vfc_get_dev_ptr(iminor(inode)), cmd, argp);
break;
};
......
include/asm-sparc/vfc_ioctls.h
View file @ 0bc20408
......@@ -52,7 +52,7 @@ struct vfc_debug_inout
unsigned long addr;
unsigned long ret;
unsigned long len;
unsigned char *buffer;
unsigned char __user *buffer;
};
#endif /* _LINUX_VFC_IOCTLS_H_ */
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