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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-04-09 15:17:41 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-04-09 15:21:12 +0100
commit87d8a69709d971913e6cc7210450fcb8be963667 (patch)
tree4f8eb95c588f7df84554dcf97d67540664333a7b /drivers/s390/scsi/zfcp_cfdc.c
parent0b8973a81876d90f916507ac40d1381068dc986a (diff)
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/s390/scsi/zfcp_cfdc.c')
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index f932400e980..0eb6eefd2c1 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -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;