diff options
| author | Alan Cox <alan@linux.intel.com> | 2010-06-01 22:52:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 13:47:40 -0700 |
| commit | 7479db07011c9c85a65eeb03724193230af0a99d (patch) | |
| tree | d4020fc59b97fb25e48fddb0825df6d15a34c73d /drivers/char | |
| parent | 7cc34fd028ef35b12fec0fa9268c37c099d33bd2 (diff) | |
specialix: Kill the BKL
Use the port mutex instead
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/specialix.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 2c24fcdc722a..7be456f760c9 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -1863,8 +1863,7 @@ static int sx_set_serial_info(struct specialix_port *port, return -EFAULT; } - lock_kernel(); - + mutex_lock(&port->port.mutex); change_speed = ((port->port.flags & ASYNC_SPD_MASK) != (tmp.flags & ASYNC_SPD_MASK)); change_speed |= (tmp.custom_divisor != port->custom_divisor); @@ -1875,7 +1874,7 @@ static int sx_set_serial_info(struct specialix_port *port, ((tmp.flags & ~ASYNC_USR_MASK) != (port->port.flags & ~ASYNC_USR_MASK))) { func_exit(); - unlock_kernel(); + mutex_unlock(&port->port.mutex); return -EPERM; } port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | @@ -1892,7 +1891,7 @@ static int sx_set_serial_info(struct specialix_port *port, sx_change_speed(bp, port); func_exit(); - unlock_kernel(); + mutex_unlock(&port->port.mutex); return 0; } @@ -1906,7 +1905,7 @@ static int sx_get_serial_info(struct specialix_port *port, func_enter(); memset(&tmp, 0, sizeof(tmp)); - lock_kernel(); + mutex_lock(&port->port.mutex); tmp.type = PORT_CIRRUS; tmp.line = port - sx_port; tmp.port = bp->base; @@ -1917,7 +1916,7 @@ static int sx_get_serial_info(struct specialix_port *port, tmp.closing_wait = port->port.closing_wait * HZ/100; tmp.custom_divisor = port->custom_divisor; tmp.xmit_fifo_size = CD186x_NFIFO; - unlock_kernel(); + mutex_unlock(&port->port.mutex); if (copy_to_user(retinfo, &tmp, sizeof(tmp))) { func_exit(); return -EFAULT; |