diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2011-07-14 14:35:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-23 10:34:07 -0700 |
| commit | 906cbe1364d94da7cbf74c1d05e3e78b2883f661 (patch) | |
| tree | fca513a03781a2d0e2ac518aab13c8d528a0468c /drivers/tty/serial/serial_core.c | |
| parent | eff4b0b9fe37873d3dc7ade0e08e6f0f89279b8b (diff) | |
| download | linux-906cbe1364d94da7cbf74c1d05e3e78b2883f661.tar.bz2 | |
TTY: remove tty_locked
We used it really only serial and ami_serial. The rest of the
callsites were BUG/WARN_ONs to check if BTM is held. Now that we
pruned tty_locked from both of the real users, we can get rid of
tty_lock along with __big_tty_mutex_owner.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 4786232bc532..44c29631b724 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1245,8 +1245,6 @@ static void uart_close(struct tty_struct *tty, struct file *filp) struct uart_port *uport; unsigned long flags; - BUG_ON(!tty_locked()); - if (!state) return; @@ -1411,7 +1409,6 @@ static void uart_hangup(struct tty_struct *tty) struct tty_port *port = &state->port; unsigned long flags; - BUG_ON(!tty_locked()); pr_debug("uart_hangup(%d)\n", state->uart_port->line); mutex_lock(&port->mutex); @@ -1498,7 +1495,6 @@ static int uart_open(struct tty_struct *tty, struct file *filp) struct tty_port *port; int retval, line = tty->index; - BUG_ON(!tty_locked()); pr_debug("uart_open(%d) called\n", line); /* |