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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-02-25 22:10:38 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-02-25 22:10:38 +0000
commit9f33be2c3a80bdc2cc08342dd77fac87652e0548 (patch)
tree7ad6e825427a15c5ec0fc15540abc0429d7f4bce /drivers/usb/serial
parent2741ecb4ce5c2d430b5c44b0a169038338c21df5 (diff)
parenteed18b5fa4d297c681b00144e8c6942dd35d39a7 (diff)
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Merge branches 'clks' and 'pnx' into devel
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/generic.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index f1ea3a3..83443d6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -386,12 +386,12 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
dbg("%s - port %d", __func__, port->number);
- if (serial->type->max_in_flight_urbs) {
- spin_lock_irqsave(&port->lock, flags);
+ spin_lock_irqsave(&port->lock, flags);
+ if (serial->type->max_in_flight_urbs)
chars = port->tx_bytes_flight;
- spin_unlock_irqrestore(&port->lock, flags);
- } else if (serial->num_bulk_out)
+ else if (serial->num_bulk_out)
chars = kfifo_len(&port->write_fifo);
+ spin_unlock_irqrestore(&port->lock, flags);
dbg("%s - returns %d", __func__, chars);
return chars;
@@ -489,6 +489,8 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
dbg("%s - port %d", __func__, port->number);
if (port->serial->type->max_in_flight_urbs) {
+ kfree(urb->transfer_buffer);
+
spin_lock_irqsave(&port->lock, flags);
--port->urbs_in_flight;
port->tx_bytes_flight -= urb->transfer_buffer_length;