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tty: Make epca use the port helpers

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Now the locking is straight and the port kref usage is straight we can
replace lots of chunks of code with the standard port helpers

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2009-01-02 13:48:11 +00:00
committed by Linus Torvalds
parent 3969ffba71
commit 6ed1dbaead
2 changed files with 26 additions and 149 deletions
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3
drivers/char/tty_port.c
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@ -286,7 +286,8 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f
port->flags |= ASYNC_CLOSING;
tty->closing = 1;
spin_unlock_irqrestore(&port->lock, flags);
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
if (port->flags & ASYNC_INITIALIZED &&
port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->closing_wait);
return 1;
}