diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-05-03 22:24:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-04 16:58:47 -0700 |
| commit | d29f3ef39be4eec0362b985305fc526d9be318cf (patch) | |
| tree | 35da6af15a899ca767841b864cb1ef290a0f3d4a /drivers/tty/tty_port.c | |
| parent | d739e65bb21d34f0f5d3bf4048410e534fbec148 (diff) | |
tty_lock: Localise the lock
In each remaining case the tty_lock is associated with a specific tty. This
means we can now lock on a per tty basis. We do need tty_lock_pair() for
the pty case. Uglier but still a step in the right direction.
[fixed up calls in 3 missing drivers - gregkh]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index bf6e238146ae..d9cca95a5452 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -230,7 +230,7 @@ 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_tty(port->close_wait, + wait_event_interruptible_tty(tty, port->close_wait, !(port->flags & ASYNC_CLOSING)); if (port->flags & ASYNC_HUP_NOTIFY) return -EAGAIN; @@ -296,9 +296,9 @@ int tty_port_block_til_ready(struct tty_port *port, retval = -ERESTARTSYS; break; } - tty_unlock(); + tty_unlock(tty); schedule(); - tty_lock(); + tty_lock(tty); } finish_wait(&port->open_wait, &wait); |