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Commit 4330d663 authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

TTY: isdn, use tty_port_close_end helper 



The code does almost the same, so there we can leverage the helper's
code. The only difference is locking. The helper protects counts by a
spinlock. This never hurts and should be added to other code parts
too.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 265d6f00

drivers/isdn/i4l/isdn_tty.c

+2 −7
Original line number Diff line number Diff line
@@ -1699,13 +1699,8 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) 
	tty_ldisc_flush(tty);

	port->tty = NULL;

	info->ncarrier = 0;

	tty->closing = 0;

	if (port->blocked_open) {

		msleep_interruptible(500);

		wake_up_interruptible(&port->open_wait);

	}

	port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);

	wake_up_interruptible(&port->close_wait);



	tty_port_close_end(port, tty);

#ifdef ISDN_DEBUG_MODEM_OPEN

	printk(KERN_DEBUG "isdn_tty_close normal exit\n");

#endif