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| author | Arnd Bergmann <arnd@arndb.de> | 2010-06-01 22:53:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 13:47:43 -0700 |
| commit | be1bc2889a4db4961ef69f47fb471ecae9f23ade (patch) | |
| tree | fd6d5e46e69efd9d66e6baa184988461f608f49a /drivers/char/tty_port.c | |
| parent | 4e608671674b62e97166f903830d5553e37970e8 (diff) | |
| download | lwn-be1bc2889a4db4961ef69f47fb471ecae9f23ade.tar.gz lwn-be1bc2889a4db4961ef69f47fb471ecae9f23ade.zip | |
tty: introduce wait_event_interruptible_tty
Calling wait_event_interruptible implicitly
releases the BKL when it sleeps, but we need
to do this explcitly when we have converted
it to a mutex.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char/tty_port.c')
| -rw-r--r-- | drivers/char/tty_port.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index a3bd1d0b66cf..35eb30402f18 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -231,7 +231,7 @@ int tty_port_block_til_ready(struct tty_port *port, /* block if port is in the process of being closed */ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { - wait_event_interruptible(port->close_wait, + wait_event_interruptible_tty(port->close_wait, !(port->flags & ASYNC_CLOSING)); if (port->flags & ASYNC_HUP_NOTIFY) return -EAGAIN; |