[SCSI] zfcp: add missing compat ptr conversion
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
parent
5a3fb3081a
commit
9e2ab1fabd
|
@ -12,6 +12,7 @@
|
|||
|
||||
#include <linux/types.h>
|
||||
#include <linux/miscdevice.h>
|
||||
#include <asm/compat.h>
|
||||
#include <asm/ccwdev.h>
|
||||
#include "zfcp_def.h"
|
||||
#include "zfcp_ext.h"
|
||||
|
@ -163,7 +164,7 @@ static void zfcp_cfdc_req_to_sense(struct zfcp_cfdc_data *data,
|
|||
}
|
||||
|
||||
static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
|
||||
unsigned long buffer)
|
||||
unsigned long arg)
|
||||
{
|
||||
struct zfcp_cfdc_data *data;
|
||||
struct zfcp_cfdc_data __user *data_user;
|
||||
|
@ -175,7 +176,11 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
|
|||
if (command != ZFCP_CFDC_IOC)
|
||||
return -ENOTTY;
|
||||
|
||||
data_user = (void __user *) buffer;
|
||||
if (is_compat_task())
|
||||
data_user = compat_ptr(arg);
|
||||
else
|
||||
data_user = (void __user *)arg;
|
||||
|
||||
if (!data_user)
|
||||
return -EINVAL;
|
||||
|
||||
|
|
Loading…
Reference in a new issue