diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-06-26 16:47:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-23 16:21:50 -0700 |
| commit | 91c4211c394996df485184b7308c8868be1b2055 (patch) | |
| tree | 82527ad9d8efbfb7e6742bbbc2283a517445389f | |
| parent | a0b9281e29fb8942baddf2ce4067eb611f4f9c01 (diff) | |
USB: serial: remove hupping check from tiocmiwait
Since commit 31ca020b ("TTY: wake up processes last at hangup") there no
longer any need to check the hupping flag in the generic tiocmiwait
implementation, so remove it.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/generic.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index ba45170c78e5..1f31e6b4c251 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -460,12 +460,7 @@ static bool usb_serial_generic_msr_changed(struct tty_struct *tty, /* * Use tty-port initialised flag to detect all hangups including the * one generated at USB-device disconnect. - * - * FIXME: Remove hupping check once tty_port_hangup calls shutdown - * (which clears the initialised flag) before wake up. */ - if (test_bit(TTY_HUPPING, &tty->flags)) - return true; if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) return true; @@ -496,12 +491,8 @@ int usb_serial_generic_tiocmiwait(struct tty_struct *tty, unsigned long arg) ret = wait_event_interruptible(port->port.delta_msr_wait, usb_serial_generic_msr_changed(tty, arg, &cnow)); - if (!ret) { - if (test_bit(TTY_HUPPING, &tty->flags)) - ret = -EIO; - if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) - ret = -EIO; - } + if (!ret && !test_bit(ASYNCB_INITIALIZED, &port->port.flags)) + ret = -EIO; return ret; } |