tty: now phase out the ioctl file pointer for good

Only oddities here are a couple of drivers that bogusly called the ldisc
helpers instead of returning -ENOIOCTLCMD. Fix the bug and the rest goes
away.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 623d6bd911d7..733fe8e73f0f 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1099,7 +1099,7 @@ static int uart_get_icount(struct tty_struct *tty,
  * Called via sys_ioctl.  We can use spin_lock_irq() here.
  */
 static int
-uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
+uart_ioctl(struct tty_struct *tty, unsigned int cmd,
            unsigned long arg)
 {
         struct uart_state *state = tty->driver_data;
@@ -1152,7 +1152,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
 
         mutex_lock(&port->mutex);
 
-        if (tty_hung_up_p(filp)) {
+        if (tty->flags & (1 << TTY_IO_ERROR)) {
                 ret = -EIO;
                 goto out_up;
         }