| Line 18... |
Line 18... |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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*/
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|
|
#include <linux/module.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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|
#include <linux/version.h>
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#include <linux/sched.h>
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#include <linux/sched.h>
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#include <asm/uaccess.h>
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#include <asm/uaccess.h>
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|
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MODULE_LICENSE("GPL v2");
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MODULE_LICENSE("GPL v2");
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//#define FADE_DEBUG 1
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//#define FADE_DEBUG 1
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| Line 373... |
Line 374... |
case L3_V1_IOC_READPTRS:
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case L3_V1_IOC_READPTRS:
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{
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{
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void * res = (void *) arg;
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void * res = (void *) arg;
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long res2;
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long res2;
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struct l3_v1_buf_pointers bp;
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struct l3_v1_buf_pointers bp;
|
|
#if LINUX_VERSION_CODE >= 0x50000
|
|
if (!access_ok(res,sizeof(bp))) {
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#else
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if (!access_ok(VERIFY_WRITE,res,sizeof(bp))) {
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if (!access_ok(VERIFY_WRITE,res,sizeof(bp))) {
|
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#endif
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return -EFAULT;
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return -EFAULT;
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} else {
|
} else {
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read_lock_bh(&sd->ptrs_lock);
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read_lock_bh(&sd->ptrs_lock);
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bp.head=sd->head;
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bp.head=sd->head;
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bp.tail=sd->tail;
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bp.tail=sd->tail;
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| Line 437... |
Line 442... |
{
|
{
|
void * source = (void *) arg;
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void * source = (void *) arg;
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struct l3_v1_slave sl;
|
struct l3_v1_slave sl;
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struct net_device *dev = NULL;
|
struct net_device *dev = NULL;
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long res2;
|
long res2;
|
|
#if LINUX_VERSION_CODE >= 0x50000
|
|
if (!access_ok(source,sizeof(sl))) {
|
|
#else
|
if (!access_ok(VERIFY_READ,source,sizeof(sl))) {
|
if (!access_ok(VERIFY_READ,source,sizeof(sl))) {
|
|
#endif
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
/* First deactivate the slave to avoid situation where data are modified
|
/* First deactivate the slave to avoid situation where data are modified
|
* while slave is active */
|
* while slave is active */
|
if (sd->active) sd->active = 0;
|
if (sd->active) sd->active = 0;
|
