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path: root/drivers/s390/char/fs3270.c
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Diffstat (limited to 'drivers/s390/char/fs3270.c')
-rw-r--r--drivers/s390/char/fs3270.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 735a7fcdeff..5f6fa4c6784 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -319,9 +319,8 @@ fs3270_write(struct file *filp, const char *data, size_t count, loff_t *off)
/*
* process ioctl commands for the tube driver
*/
-static int
-fs3270_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long
+fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct fs3270 *fp;
struct raw3270_iocb iocb;
@@ -331,6 +330,7 @@ fs3270_ioctl(struct inode *inode, struct file *filp,
if (!fp)
return -ENODEV;
rc = 0;
+ lock_kernel();
switch (cmd) {
case TUBICMD:
fp->read_command = arg;
@@ -356,6 +356,7 @@ fs3270_ioctl(struct inode *inode, struct file *filp,
rc = -EFAULT;
break;
}
+ unlock_kernel();
return rc;
}
@@ -491,12 +492,13 @@ fs3270_close(struct inode *inode, struct file *filp)
}
static struct file_operations fs3270_fops = {
- .owner = THIS_MODULE, /* owner */
- .read = fs3270_read, /* read */
- .write = fs3270_write, /* write */
- .ioctl = fs3270_ioctl, /* ioctl */
- .open = fs3270_open, /* open */
- .release = fs3270_close, /* release */
+ .owner = THIS_MODULE, /* owner */
+ .read = fs3270_read, /* read */
+ .write = fs3270_write, /* write */
+ .unlocked_ioctl = fs3270_ioctl, /* ioctl */
+ .compat_ioctl = fs3270_ioctl, /* ioctl */
+ .open = fs3270_open, /* open */
+ .release = fs3270_close, /* release */
};
/*