diff options
Diffstat (limited to 'drivers/s390/char/fs3270.c')
| -rw-r--r-- | drivers/s390/char/fs3270.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 735a7fcdeff5..5f6fa4c67843 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 */ }; /* |