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Commit 62c13bad authored by Tilman Schmidt's avatar Tilman Schmidt Committed by David S. Miller
Browse files

isdn/gigaset: drop unused ldisc methods 



The line discipline read and write methods are optional so the dummy
methods in ser_gigaset are unnecessary and can be removed.

Signed-off-by: default avatarTilman Schmidt <tilman@imap.cc>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fd98e941

drivers/isdn/gigaset/ser-gigaset.c

+0 −24
Original line number Diff line number Diff line
@@ -606,28 +606,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) 
	return 0;

}



/*

 * Read on the tty.

 * Unused, received data goes only to the Gigaset driver.

 */

static ssize_t

gigaset_tty_read(struct tty_struct *tty, struct file *file,

		 unsigned char __user *buf, size_t count)

{

	return -EAGAIN;

}



/*

 * Write on the tty.

 * Unused, transmit data comes only from the Gigaset driver.

 */

static ssize_t

gigaset_tty_write(struct tty_struct *tty, struct file *file,

		  const unsigned char *buf, size_t count)

{

	return -EAGAIN;

}



/*

 * Ioctl on the tty.

 * Called in process context only.
@@ -761,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { 
	.open		= gigaset_tty_open,

	.close		= gigaset_tty_close,

	.hangup		= gigaset_tty_hangup,

	.read		= gigaset_tty_read,

	.write		= gigaset_tty_write,

	.ioctl		= gigaset_tty_ioctl,

	.receive_buf	= gigaset_tty_receive,

	.write_wakeup	= gigaset_tty_wakeup,