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Staging: comedi: range.c: properly mark up __user pointers

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This is the start of cleaning up the user pointer markings
in the comedi core.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2010-05-03 15:50:09 -07:00
parent 2434358ac7
commit 3b6b25b5dd
5 changed files with 10 additions and 8 deletions
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2
drivers/staging/comedi/comedi.h
View File

@ -368,7 +368,7 @@
struct comedi_rangeinfo {
unsigned int range_type;
void *range_ptr;
void __user *range_ptr;
};
struct comedi_krange {

3
drivers/staging/comedi/comedi_compat32.c
View File

@ -25,9 +25,8 @@
*/
#define __NO_VERSION__
#include "comedi.h"
#include <linux/uaccess.h>
#include "comedi.h"
#include "comedi_compat32.h"
#ifdef CONFIG_COMPAT

4
drivers/staging/comedi/drivers/comedi_bond.c
View File

@ -87,11 +87,11 @@ Configuration Options:
* options that are used with comedi_config.
*/
#include <linux/string.h>
#include <linux/slab.h>
#include "../comedi.h"
#include "../comedilib.h"
#include "../comedidev.h"
#include <linux/string.h>
#include <linux/slab.h>
/* The maxiumum number of channels per subdevice. */
#define MAX_CHANS 256

3
drivers/staging/comedi/internal.h
View File

@ -1,7 +1,8 @@
/*
* various internal comedi functions
*/
int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
int do_rangeinfo_ioctl(struct comedi_device *dev,
struct comedi_rangeinfo __user *arg);
int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
int comedi_alloc_board_minor(struct device *hardware_device);

6
drivers/staging/comedi/range.c
View File

@ -21,8 +21,9 @@
*/
#include "comedidev.h"
#include <linux/uaccess.h>
#include "comedidev.h"
#include "internal.h"
const struct comedi_lrange range_bipolar10 = { 1, {BIP_RANGE(10)} };
EXPORT_SYMBOL(range_bipolar10);
@ -50,7 +51,8 @@ EXPORT_SYMBOL(range_unknown);
writes:
n struct comedi_krange structures to rangeinfo->range_ptr
*/
int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg)
int do_rangeinfo_ioctl(struct comedi_device *dev,
struct comedi_rangeinfo __user *arg)
{
struct comedi_rangeinfo it;
int subd, chan;