diff options
| author | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
| commit | 95ee46aa8698f2000647dfb362400fadbb5807cf (patch) | |
| tree | e5a05c7297f997e191c73091934e42e3195c0e40 /drivers/usb/serial/generic.c | |
| parent | cfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff) | |
| parent | 92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff) | |
Merge branch 'linus' into release
Conflicts:
drivers/acpi/debug.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/usb/serial/generic.c')
| -rw-r--r-- | drivers/usb/serial/generic.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index a817ced82835..ca92f67747cc 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -208,18 +208,23 @@ retry: urb->transfer_buffer_length = count; usb_serial_debug_data(debug, &port->dev, __func__, count, urb->transfer_buffer); + spin_lock_irqsave(&port->lock, flags); + port->tx_bytes += count; + spin_unlock_irqrestore(&port->lock, flags); + + clear_bit(i, &port->write_urbs_free); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, result); + set_bit(i, &port->write_urbs_free); + spin_lock_irqsave(&port->lock, flags); + port->tx_bytes -= count; + spin_unlock_irqrestore(&port->lock, flags); + clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags); return result; } - clear_bit(i, &port->write_urbs_free); - - spin_lock_irqsave(&port->lock, flags); - port->tx_bytes += count; - spin_unlock_irqrestore(&port->lock, flags); /* Try sending off another urb, unless in irq context (in which case * there will be no free urb). */ |