[S390] fs3270: add missing compat ptr conversion
Add missing compat ptr conversion including two additional
whitespace changes that aren't worth a separate patch.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 247b2b9..31c59b0 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -15,6 +15,7 @@
#include <linux/types.h>
#include <linux/smp_lock.h>
+#include <asm/compat.h>
#include <asm/ccwdev.h>
#include <asm/cio.h>
#include <asm/ebcdic.h>
@@ -322,6 +323,7 @@
static long
fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ char __user *argp;
struct fs3270 *fp;
struct raw3270_iocb iocb;
int rc;
@@ -329,6 +331,10 @@
fp = filp->private_data;
if (!fp)
return -ENODEV;
+ if (is_compat_task())
+ argp = compat_ptr(arg);
+ else
+ argp = (char __user *)arg;
rc = 0;
mutex_lock(&fs3270_mutex);
switch (cmd) {
@@ -339,10 +345,10 @@
fp->write_command = arg;
break;
case TUBGETI:
- rc = put_user(fp->read_command, (char __user *) arg);
+ rc = put_user(fp->read_command, argp);
break;
case TUBGETO:
- rc = put_user(fp->write_command,(char __user *) arg);
+ rc = put_user(fp->write_command, argp);
break;
case TUBGETMOD:
iocb.model = fp->view.model;
@@ -351,8 +357,7 @@
iocb.pf_cnt = 24;
iocb.re_cnt = 20;
iocb.map = 0;
- if (copy_to_user((char __user *) arg, &iocb,
- sizeof(struct raw3270_iocb)))
+ if (copy_to_user(argp, &iocb, sizeof(struct raw3270_iocb)))
rc = -EFAULT;
break;
}
@@ -511,8 +516,8 @@
.write = fs3270_write, /* write */
.unlocked_ioctl = fs3270_ioctl, /* ioctl */
.compat_ioctl = fs3270_ioctl, /* ioctl */
- .open = fs3270_open, /* open */
- .release = fs3270_close, /* release */
+ .open = fs3270_open, /* open */
+ .release = fs3270_close, /* release */
};
/*