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[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:
Heiko Carstens 2010-01-13 17:52:38 +01:00 committed by James Bottomley
parent 5a3fb3081a
commit 9e2ab1fabd
1 changed files with 7 additions and 2 deletions
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9
drivers/s390/scsi/zfcp_cfdc.c
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@ -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;