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| author | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:20 +0100 |
| commit | 9de09ace8d518141a4375e1d216ab64db4377799 (patch) | |
| tree | da8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /drivers/usb/serial/opticon.c | |
| parent | 1beee96bae0daf7f491356777c3080cc436950f5 (diff) | |
| parent | 6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff) | |
| download | op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.zip op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.tar.gz | |
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/serial/opticon.c')
| -rw-r--r-- | drivers/usb/serial/opticon.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 1085a57..80f59b6 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -314,21 +314,24 @@ static void opticon_unthrottle(struct tty_struct *tty) struct usb_serial_port *port = tty->driver_data; struct opticon_private *priv = usb_get_serial_data(port->serial); unsigned long flags; - int result; + int result, was_throttled; dbg("%s - port %d", __func__, port->number); spin_lock_irqsave(&priv->lock, flags); priv->throttled = false; + was_throttled = priv->actually_throttled; priv->actually_throttled = false; spin_unlock_irqrestore(&priv->lock, flags); priv->bulk_read_urb->dev = port->serial->dev; - result = usb_submit_urb(priv->bulk_read_urb, GFP_ATOMIC); - if (result) - dev_err(&port->dev, - "%s - failed submitting read urb, error %d\n", + if (was_throttled) { + result = usb_submit_urb(priv->bulk_read_urb, GFP_ATOMIC); + if (result) + dev_err(&port->dev, + "%s - failed submitting read urb, error %d\n", __func__, result); + } } static int opticon_tiocmget(struct tty_struct *tty, struct file *file) |
