diff options
| author | Alan Cox <alan@redhat.com> | 2009-01-02 16:48:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 21:19:42 +0300 |
| commit | 6b447f04a9aecdf2a30c1a97e4b034ac7931bb70 (patch) | |
| tree | 61a92b936c0c8e42ebf93e01acbc15aceb9bd864 /drivers/usb/serial/usb-serial.c | |
| parent | eeb4613436f0f19a38f667ea3078821040559c68 (diff) | |
| download | linux-6b447f04a9aecdf2a30c1a97e4b034ac7931bb70.tar.xz | |
tty: Drop the lock_kernel in the private ioctl hook
We don't need the BKL here any more so it can go. In a couple of spots the
driver requirements are not clear so push the lock down into the driver.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8d5189096470..080ade223d53 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -382,9 +382,7 @@ static int serial_ioctl(struct tty_struct *tty, struct file *file, /* pass on to the driver specific version of this function if it is available */ if (port->serial->type->ioctl) { - lock_kernel(); retval = port->serial->type->ioctl(tty, file, cmd, arg); - unlock_kernel(); } else retval = -ENOIOCTLCMD; return retval; @@ -413,11 +411,8 @@ static int serial_break(struct tty_struct *tty, int break_state) WARN_ON(!port->port.count); /* pass on to the driver specific version of this function if it is available */ - if (port->serial->type->break_ctl) { - lock_kernel(); + if (port->serial->type->break_ctl) port->serial->type->break_ctl(tty, break_state); - unlock_kernel(); - } return 0; } |