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>
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 623d6bd..733fe8e 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1099,7 +1099,7 @@
* 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 @@
mutex_lock(&port->mutex);
- if (tty_hung_up_p(filp)) {
+ if (tty->flags & (1 << TTY_IO_ERROR)) {
ret = -EIO;
goto out_up;
}