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tty: remove sleep_on

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Use wait_event instead of sleep_on in tty_block_til_ready.

Wait for ASYNC_CLOSING flag being 0.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby
2009-06-11 14:32:42 +01:00
committed by Linus Torvalds
parent 4db2299da2
commit 5fc5b42a3b
1 changed files with 2 additions and 1 deletions
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3
drivers/char/tty_port.c
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@@ -198,7 +198,8 @@ int tty_port_block_til_ready(struct tty_port *port,
/* block if port is in the process of being closed */ /* block if port is in the process of being closed */
if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
interruptible_sleep_on(&port->close_wait); wait_event_interruptible(port->close_wait,
!(port->flags & ASYNC_CLOSING));
if (port->flags & ASYNC_HUP_NOTIFY) if (port->flags & ASYNC_HUP_NOTIFY)
return -EAGAIN; return -EAGAIN;
else else