diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-06-29 14:48:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-06 14:24:52 -0700 |
| commit | f5e3bcc504c3c35cc6e06a9ee42efed7c274066b (patch) | |
| tree | 267e2679b28ee3991621f0a675c0092cfe82a426 /drivers/tty/tty_port.c | |
| parent | 0a44ab41eb833d07e3ec807d87151c7164d4f075 (diff) | |
| download | linux-f5e3bcc504c3c35cc6e06a9ee42efed7c274066b.tar.bz2 | |
tty: localise the lock
The termios and other changes mean the other protections needed on the driver
tty arrays should be adequate. Turn it all back on.
This contains pieces folded in from the fixes made to the original patches
| From: Geert Uytterhoeven <geert@linux-m68k.org> (fix m68k)
| From: Paul Gortmaker <paul.gortmaker@windriver.com> (fix cris)
| From: Jiri Kosina <jkosina@suze.cz> (lockdep)
| From: Eric Dumazet <eric.dumazet@gmail.com> (lockdep)
Signed-off-by: Alan Cox <alan@linux.intel.com>
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 4e9d2b291f4a..a3ba776c574c 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -239,7 +239,7 @@ 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; @@ -305,9 +305,9 @@ 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); |